Search a number
-
+
97207913 = 11232913249
BaseRepresentation
bin1011100101101…
…00011001101001
320202220200012002
411302310121221
5144341123123
613351300345
72260152665
oct562643151
9222820162
1097207913
114a964820
122867a6b5
13171a699a
14cca58a5
158802528
hex5cb4669

97207913 has 16 divisors (see below), whose sum is σ = 114480000. Its totient is φ = 81607680.

The previous prime is 97207889. The next prime is 97207927. The reversal of 97207913 is 31970279.

It is not a de Polignac number, because 97207913 - 26 = 97207849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97207973) 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, 713 + ... + 13961.

It is an arithmetic number, because the mean of its divisors is an integer number (7155000).

Almost surely, 297207913 is an apocalyptic number.

It is an amenable number.

97207913 is a deficient number, since it is larger than the sum of its proper divisors (17272087).

97207913 is a wasteful number, since it uses less digits than its factorization.

97207913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 97207913 is about 9859.4073351292. The cubic root of 97207913 is about 459.7981360658.

The spelling of 97207913 in words is "ninety-seven million, two hundred seven thousand, nine hundred thirteen".

Divisors: 1 11 23 29 253 319 667 7337 13249 145739 304727 384221 3351997 4226431 8837083 97207913