Search a number
-
+
24830880 = 2535172179
BaseRepresentation
bin101111010111…
…0001110100000
31201201112120020
41132232032200
522324042010
62244113440
7421026144
oct136561640
951645506
1024830880
111301a898
128395880
1351b5239
143425224
1522a7470
hex17ae3a0

24830880 has 144 divisors (see below), whose sum is σ = 83553120. Its totient is φ = 6197248.

The previous prime is 24830867. The next prime is 24830887. The reversal of 24830880 is 8803842.

It is not an unprimeable number, because it can be changed into a prime (24830887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138631 + ... + 138809.

It is an arithmetic number, because the mean of its divisors is an integer number (580230).

Almost surely, 224830880 is an apocalyptic number.

24830880 is a gapful number since it is divisible by the number (20) 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 24830880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41776560).

24830880 is an abundant number, since it is smaller than the sum of its proper divisors (58722240).

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

24830880 is a wasteful number, since it uses less digits than its factorization.

24830880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 24830880 is about 4983.0593012727. The cubic root of 24830880 is about 291.7409349194.

The spelling of 24830880 in words is "twenty-four million, eight hundred thirty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 160 170 179 204 240 255 272 289 340 358 408 480 510 537 544 578 680 716 816 867 895 1020 1074 1156 1360 1432 1445 1632 1734 1790 2040 2148 2312 2685 2720 2864 2890 3043 3468 3580 4080 4296 4335 4624 5370 5728 5780 6086 6936 7160 8160 8592 8670 9129 9248 10740 11560 12172 13872 14320 15215 17184 17340 18258 21480 23120 24344 27744 28640 30430 34680 36516 42960 45645 46240 48688 51731 60860 69360 73032 85920 91290 97376 103462 121720 138720 146064 155193 182580 206924 243440 258655 292128 310386 365160 413848 486880 517310 620772 730320 775965 827696 1034620 1241544 1460640 1551930 1655392 2069240 2483088 3103860 4138480 4966176 6207720 8276960 12415440 24830880