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97110161 = 190750923
BaseRepresentation
bin1011100100111…
…00100010010001
320202201201002122
411302130202101
5144330011121
613345224025
72256265001
oct562344221
9222651078
1097110161
114a8a8335
1228632015
1317171345
14cc7c001
1587d35ab
hex5c9c891

97110161 has 4 divisors (see below), whose sum is σ = 97162992. Its totient is φ = 97057332.

The previous prime is 97110157. The next prime is 97110173. The reversal of 97110161 is 16101179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97110161 - 22 = 97110157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97110161.

It is not an unprimeable number, because it can be changed into a prime (97110961) 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, 23555 + ... + 27368.

It is an arithmetic number, because the mean of its divisors is an integer number (24290748).

Almost surely, 297110161 is an apocalyptic number.

It is an amenable number.

97110161 is a deficient number, since it is larger than the sum of its proper divisors (52831).

97110161 is a wasteful number, since it uses less digits than its factorization.

97110161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52830.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 97110161 is about 9854.4487922968. The cubic root of 97110161 is about 459.6439604767.

The spelling of 97110161 in words is "ninety-seven million, one hundred ten thousand, one hundred sixty-one".

Divisors: 1 1907 50923 97110161