Search a number
-
+
157832224 = 2511448387
BaseRepresentation
bin10010110100001…
…01010000100000
3101222222201002221
421122011100200
5310401112344
623354520424
73624360154
oct1132052040
9358881087
10157832224
1181101760
1244a36114
1326911b64
1416d67064
15dcca184
hex9685420

157832224 has 24 divisors (see below), whose sum is σ = 338981328. Its totient is φ = 71741760.

The previous prime is 157832209. The next prime is 157832237. The reversal of 157832224 is 422238751.

It is a happy number.

It is a super-2 number, since 2×1578322242 = 49822021865572352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157832224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223842 + ... + 224545.

It is an arithmetic number, because the mean of its divisors is an integer number (14124222).

Almost surely, 2157832224 is an apocalyptic number.

It is an amenable number.

157832224 is an abundant number, since it is smaller than the sum of its proper divisors (181149104).

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

157832224 is a wasteful number, since it uses less digits than its factorization.

157832224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448408 (or 448400 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 157832224 is about 12563.1295464148. The cubic root of 157832224 is about 540.4205959603.

The spelling of 157832224 in words is "one hundred fifty-seven million, eight hundred thirty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 448387 896774 1793548 3587096 4932257 7174192 9864514 14348384 19729028 39458056 78916112 157832224