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97345911 = 31319131371
BaseRepresentation
bin1011100110101…
…10000101110111
320210011200111010
411303112011313
5144410032121
613354243303
72261266215
oct563260567
9223150433
1097345911
114aa49473
1228726533
1317224740
14ccddcb5
15882d376
hex5cd6177

97345911 has 16 divisors (see below), whose sum is σ = 147136640. Its totient is φ = 56751840.

The previous prime is 97345909. The next prime is 97345951. The reversal of 97345911 is 11954379.

It is a happy number.

It is not a de Polignac number, because 97345911 - 21 = 97345909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 97345911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97345901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64945 + ... + 66426.

It is an arithmetic number, because the mean of its divisors is an integer number (9196040).

Almost surely, 297345911 is an apocalyptic number.

97345911 is a deficient number, since it is larger than the sum of its proper divisors (49790729).

97345911 is a wasteful number, since it uses less digits than its factorization.

97345911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131406.

The product of its digits is 34020, while the sum is 39.

The square root of 97345911 is about 9866.4031440034. The cubic root of 97345911 is about 460.0156122615.

The spelling of 97345911 in words is "ninety-seven million, three hundred forty-five thousand, nine hundred eleven".

Divisors: 1 3 13 19 39 57 247 741 131371 394113 1707823 2496049 5123469 7488147 32448637 97345911