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157136132 = 22233168601
BaseRepresentation
bin10010101110110…
…11010100000100
3101221200100020202
421113123110010
5310211324012
623331550032
73615430556
oct1127332404
9357610222
10157136132
118077677a
124475b318
132672a07a
1416c254d6
15dbddcc2
hex95db504

157136132 has 12 divisors (see below), whose sum is σ = 276170076. Its totient is φ = 78230400.

The previous prime is 157136101. The next prime is 157136153. The reversal of 157136132 is 231631751.

It can be written as a sum of positive squares in 2 ways, for example, as 50922496 + 106213636 = 7136^2 + 10306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157136095 and 157136104.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83369 + ... + 85232.

It is an arithmetic number, because the mean of its divisors is an integer number (23014173).

Almost surely, 2157136132 is an apocalyptic number.

It is an amenable number.

157136132 is a deficient number, since it is larger than the sum of its proper divisors (119033944).

157136132 is a wasteful number, since it uses less digits than its factorization.

157136132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168838 (or 168836 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 157136132 is about 12535.3951672853. The cubic root of 157136132 is about 539.6249476184.

Adding to 157136132 its reverse (231631751), we get a palindrome (388767883).

The spelling of 157136132 in words is "one hundred fifty-seven million, one hundred thirty-six thousand, one hundred thirty-two".

Divisors: 1 2 4 233 466 932 168601 337202 674404 39284033 78568066 157136132