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157896871 = 1137387953
BaseRepresentation
bin10010110100101…
…01000010100111
3102000002222210021
421122111002213
5310410144441
623400140011
73625046506
oct1132250247
9360088707
10157896871
1181146290
1244a67607
1326935402
1416d8283d
15dcde3d1
hex96950a7

157896871 has 8 divisors (see below), whose sum is σ = 176907024. Its totient is φ = 139662720.

The previous prime is 157896847. The next prime is 157896881. The reversal of 157896871 is 178698751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157896871 - 25 = 157896839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157896841) 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, 193570 + ... + 194383.

It is an arithmetic number, because the mean of its divisors is an integer number (22113378).

Almost surely, 2157896871 is an apocalyptic number.

157896871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157896871 is a deficient number, since it is larger than the sum of its proper divisors (19010153).

157896871 is a wasteful number, since it uses less digits than its factorization.

157896871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388001.

The product of its digits is 846720, while the sum is 52.

The square root of 157896871 is about 12565.7021689996. The cubic root of 157896871 is about 540.4943700826.

The spelling of 157896871 in words is "one hundred fifty-seven million, eight hundred ninety-six thousand, eight hundred seventy-one".

Divisors: 1 11 37 407 387953 4267483 14354261 157896871