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157990482 = 23213675173
BaseRepresentation
bin10010110101010…
…11111001010010
3102000021202012100
421122223321102
5310421143412
623402141230
73625616436
oct1132537122
9360252170
10157990482
11811aa651
1244ab1816
1326968bc0
1416da89c6
15dd0bedc
hex96abe52

157990482 has 24 divisors (see below), whose sum is σ = 368645004. Its totient is φ = 48612384.

The previous prime is 157990451. The next prime is 157990499. The reversal of 157990482 is 284099751.

157990482 is a `hidden beast` number, since 15 + 79 + 90 + 482 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 148571721 + 9418761 = 12189^2 + 3069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337353 + ... + 337820.

Almost surely, 2157990482 is an apocalyptic number.

157990482 is an abundant number, since it is smaller than the sum of its proper divisors (210654522).

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

157990482 is a wasteful number, since it uses less digits than its factorization.

157990482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675194 (or 675191 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 157990482 is about 12569.4264785630. The cubic root of 157990482 is about 540.6011617765.

The spelling of 157990482 in words is "one hundred fifty-seven million, nine hundred ninety thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 675173 1350346 2025519 4051038 6076557 8777249 12153114 17554498 26331747 52663494 78995241 157990482