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103240032 = 2537672293
BaseRepresentation
bin1100010011101…
…01000101100000
321012021010200220
412021311011200
5202412140112
614124443040
72362345230
oct611650540
9235233626
10103240032
1153304845
122a6a9480
131850949c
14d9d5cc0
1590e498c
hex6275160

103240032 has 96 divisors (see below), whose sum is σ = 314479872. Its totient is φ = 29044224.

The previous prime is 103240021. The next prime is 103240037. The reversal of 103240032 is 230042301.

103240032 = 12492 + 12502 + ... + 13112.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1032400322 = 21317008414722048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103239993 and 103240020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103240037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43878 + ... + 46170.

It is an arithmetic number, because the mean of its divisors is an integer number (3275832).

Almost surely, 2103240032 is an apocalyptic number.

103240032 is a gapful number since it is divisible by the number (12) 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 103240032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157239936).

103240032 is an abundant number, since it is smaller than the sum of its proper divisors (211239840).

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

103240032 is a wasteful number, since it uses less digits than its factorization.

103240032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 103240032 is about 10160.7102113976. The cubic root of 103240032 is about 469.1186622276.

Adding to 103240032 its reverse (230042301), we get a palindrome (333282333).

The spelling of 103240032 in words is "one hundred three million, two hundred forty thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 67 84 96 112 134 168 201 224 268 336 402 469 536 672 804 938 1072 1407 1608 1876 2144 2293 2814 3216 3752 4586 5628 6432 6879 7504 9172 11256 13758 15008 16051 18344 22512 27516 32102 36688 45024 48153 55032 64204 73376 96306 110064 128408 153631 192612 220128 256816 307262 385224 460893 513632 614524 770448 921786 1075417 1229048 1540896 1843572 2150834 2458096 3226251 3687144 4301668 4916192 6452502 7374288 8603336 12905004 14748576 17206672 25810008 34413344 51620016 103240032