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157082071 = 941166931
BaseRepresentation
bin10010101110011…
…10000111010111
3101221120121002111
421113032013113
5310203111241
623330451451
73615114136
oct1127160727
9357517074
10157082071
118073a0a3
1244733b87
132670b593
1416c0d91d
15dbccc81
hex95ce1d7

157082071 has 4 divisors (see below), whose sum is σ = 157249944. Its totient is φ = 156914200.

The previous prime is 157082069. The next prime is 157082077. The reversal of 157082071 is 170280751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170280751 = 463367777.

It is a cyclic number.

It is not a de Polignac number, because 157082071 - 21 = 157082069 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 (157082077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82525 + ... + 84406.

It is an arithmetic number, because the mean of its divisors is an integer number (39312486).

Almost surely, 2157082071 is an apocalyptic number.

157082071 is a deficient number, since it is larger than the sum of its proper divisors (167873).

157082071 is an equidigital number, since it uses as much as digits as its factorization.

157082071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167872.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 157082071 is about 12533.2386476920. The cubic root of 157082071 is about 539.5630564627.

The spelling of 157082071 in words is "one hundred fifty-seven million, eighty-two thousand, seventy-one".

Divisors: 1 941 166931 157082071