Search a number
-
+
157000332 = 22319766413
BaseRepresentation
bin10010101101110…
…10001010001100
3101221102102222010
421112322022030
5310143002312
623325021220
73614323626
oct1126721214
9357372863
10157000332
1180693745
12446b4810
13266b0308
1416bcbc16
15dbb393c
hex95ba28c

157000332 has 24 divisors (see below), whose sum is σ = 368199216. Its totient is φ = 52067008.

The previous prime is 157000331. The next prime is 157000379. The reversal of 157000332 is 233000751.

It is a happy number.

It is a super-2 number, since 2×1570003322 = 49298208496220448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157000299 and 157000308.

It is not an unprimeable number, because it can be changed into a prime (157000331) 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 7 ways as a sum of consecutive naturals, for example, 30843 + ... + 35570.

It is an arithmetic number, because the mean of its divisors is an integer number (15341634).

Almost surely, 2157000332 is an apocalyptic number.

157000332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157000332 is an abundant number, since it is smaller than the sum of its proper divisors (211198884).

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

157000332 is a wasteful number, since it uses less digits than its factorization.

157000332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66617 (or 66615 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 157000332 is about 12529.9773343769. The cubic root of 157000332 is about 539.4694514734.

The spelling of 157000332 in words is "one hundred fifty-seven million, three hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 66413 132826 199239 265652 398478 796956 13083361 26166722 39250083 52333444 78500166 157000332