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157486144 = 262460721
BaseRepresentation
bin10010110001100…
…00110001000000
3101222100010101011
421120300301000
5310304024034
623343250304
73621416164
oct1130606100
9358303334
10157486144
1180995742
12448a9994
132682048a
1416cb6ca4
15dc5c864
hex9630c40

157486144 has 14 divisors (see below), whose sum is σ = 312511694. Its totient is φ = 78743040.

The previous prime is 157486139. The next prime is 157486157. The reversal of 157486144 is 441684751.

157486144 = T10245 + T10246 + T10247.

It can be written as a sum of positive squares in only one way, i.e., 118548544 + 38937600 = 10888^2 + 6240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157486097 and 157486106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230297 + ... + 1230424.

Almost surely, 2157486144 is an apocalyptic number.

157486144 is the 10247-th centered triangular number.

It is an amenable number.

157486144 is a deficient number, since it is larger than the sum of its proper divisors (155025550).

157486144 is an equidigital number, since it uses as much as digits as its factorization.

157486144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460733 (or 2460723 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 157486144 is about 12549.3483496156. The cubic root of 157486144 is about 540.0253120280.

The spelling of 157486144 in words is "one hundred fifty-seven million, four hundred eighty-six thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 2460721 4921442 9842884 19685768 39371536 78743072 157486144