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97668897 = 3297571483
BaseRepresentation
bin1011101001001…
…00111100100001
320210210002112120
411310210330201
5200000401042
613405214453
72264112654
oct564447441
9223702476
1097668897
115014a0a7
1228861429
1317308761
14cd8589b
158893dec
hex5d24f21

97668897 has 16 divisors (see below), whose sum is σ = 134984640. Its totient is φ = 62741952.

The previous prime is 97668889. The next prime is 97668899. The reversal of 97668897 is 79886679.

It is not a de Polignac number, because 97668897 - 23 = 97668889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97668897.

It is not an unprimeable number, because it can be changed into a prime (97668899) 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 15 ways as a sum of consecutive naturals, for example, 65118 + ... + 66600.

It is an arithmetic number, because the mean of its divisors is an integer number (8436540).

Almost surely, 297668897 is an apocalyptic number.

It is an amenable number.

97668897 is a deficient number, since it is larger than the sum of its proper divisors (37315743).

97668897 is a wasteful number, since it uses less digits than its factorization.

97668897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its digits is 9144576, while the sum is 60.

The square root of 97668897 is about 9882.7575605192. The cubic root of 97668897 is about 460.5238157024.

The spelling of 97668897 in words is "ninety-seven million, six hundred sixty-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 29 87 757 1483 2271 4449 21953 43007 65859 129021 1122631 3367893 32556299 97668897