Search a number
-
+
2105832432 = 2431117283829
BaseRepresentation
bin111110110000100…
…0111001111110000
312102202111101000210
41331201013033300
513303043114212
6544543144120
7103120165104
oct17541071760
95382441023
102105832432
11990762090
124a92a5040
132773807c2
1415d967904
15c4d1a53c
hex7d8473f0

2105832432 has 160 divisors (see below), whose sum is σ = 6313524480. Its totient is φ = 597749760.

The previous prime is 2105832427. The next prime is 2105832451. The reversal of 2105832432 is 2342385012.

It is a self number, because there is not a number n which added to its sum of digits gives 2105832432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2539794 + ... + 2540622.

It is an arithmetic number, because the mean of its divisors is an integer number (39459528).

Almost surely, 22105832432 is an apocalyptic number.

2105832432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105832432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3156762240).

2105832432 is an abundant number, since it is smaller than the sum of its proper divisors (4207692048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105832432 is a wasteful number, since it uses less digits than its factorization.

2105832432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2105832432 is about 45889.3498755430. The cubic root of 2105832432 is about 1281.7636073650.

The spelling of 2105832432 in words is "two billion, one hundred five million, eight hundred thirty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 17 22 24 33 34 44 48 51 66 68 88 102 132 136 176 187 204 264 272 283 374 408 528 561 566 748 816 829 849 1122 1132 1496 1658 1698 2244 2264 2487 2992 3113 3316 3396 4488 4528 4811 4974 6226 6632 6792 8976 9119 9339 9622 9948 12452 13264 13584 14093 14433 18238 18678 19244 19896 24904 27357 28186 28866 36476 37356 38488 39792 42279 49808 52921 54714 56372 57732 72952 74712 76976 84558 105842 109428 112744 115464 145904 149424 155023 158763 169116 211684 218856 225488 230928 234607 310046 317526 338232 423368 437712 465069 469214 620092 635052 676464 703821 846736 930138 938428 1240184 1270104 1407642 1860276 1876856 2480368 2540208 2580677 2815284 3720552 3753712 3988319 5161354 5630568 7441104 7742031 7976638 10322708 11261136 11964957 15484062 15953276 20645416 23929914 30968124 31906552 41290832 43871509 47859828 61936248 63813104 87743018 95719656 123872496 131614527 175486036 191439312 263229054 350972072 526458108 701944144 1052916216 2105832432