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157020616 = 23291036571
BaseRepresentation
bin10010101101111…
…11000111001000
3101221110110210101
421112333013020
5310144124431
623325255144
73614440024
oct1126770710
9357413711
10157020616
11806a7a05
12447044b4
13266b960c
1416bd5384
15dbb9961
hex95bf1c8

157020616 has 32 divisors (see below), whose sum is σ = 307569600. Its totient is φ = 75055680.

The previous prime is 157020613. The next prime is 157020629. The reversal of 157020616 is 616020751.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (157020613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20611 + ... + 27181.

It is an arithmetic number, because the mean of its divisors is an integer number (9611550).

Almost surely, 2157020616 is an apocalyptic number.

It is an amenable number.

157020616 is a deficient number, since it is larger than the sum of its proper divisors (150548984).

157020616 is a wasteful number, since it uses less digits than its factorization.

157020616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709 (or 6705 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 157020616 is about 12530.7867270974. The cubic root of 157020616 is about 539.4926831167.

The spelling of 157020616 in words is "one hundred fifty-seven million, twenty thousand, six hundred sixteen".

Divisors: 1 2 4 8 29 58 103 116 206 232 412 824 2987 5974 6571 11948 13142 23896 26284 52568 190559 381118 676813 762236 1353626 1524472 2707252 5414504 19627577 39255154 78510308 157020616