Search a number
-
+
157832928 = 25331116607
BaseRepresentation
bin10010110100001…
…01011011100000
3101222222202002000
421122011123200
5310401123203
623354524000
73624362211
oct1132053340
9358882060
10157832928
1181102240
1244a36600
1326912286
1416d67408
15dcca4a3
hex96856e0

157832928 has 96 divisors (see below), whose sum is σ = 502225920. Its totient is φ = 47825280.

The previous prime is 157832911. The next prime is 157832951. The reversal of 157832928 is 829238751.

It is a happy number.

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

It is a super-2 number, since 2×1578329282 = 49822466322106368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201 + ... + 17807.

It is an arithmetic number, because the mean of its divisors is an integer number (5231520).

Almost surely, 2157832928 is an apocalyptic number.

157832928 is a gapful number since it is divisible by the number (18) 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 157832928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251112960).

157832928 is an abundant number, since it is smaller than the sum of its proper divisors (344392992).

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

157832928 is a wasteful number, since it uses less digits than its factorization.

157832928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16637 (or 16623 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 157832928 is about 12563.1575648799. The cubic root of 157832928 is about 540.4213994623.

The spelling of 157832928 in words is "one hundred fifty-seven million, eight hundred thirty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 88 96 99 108 132 144 176 198 216 264 288 297 352 396 432 528 594 792 864 1056 1188 1584 2376 3168 4752 9504 16607 33214 49821 66428 99642 132856 149463 182677 199284 265712 298926 365354 398568 448389 531424 548031 597852 730708 797136 896778 1096062 1195704 1461416 1594272 1644093 1793556 2192124 2391408 2922832 3288186 3587112 4384248 4782816 4932279 5845664 6576372 7174224 8768496 9864558 13152744 14348448 17536992 19729116 26305488 39458232 52610976 78916464 157832928