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97390311 = 3103315179
BaseRepresentation
bin1011100111000…
…00111011100111
320210020221101120
411303200323213
5144412442221
613355225023
72261542524
oct563407347
9223227346
1097390311
114aa79867
1228748173
131723ba05
14cd1214b
15883b5c6
hex5ce0ee7

97390311 has 8 divisors (see below), whose sum is σ = 131114880. Its totient is φ = 64296312.

The previous prime is 97390289. The next prime is 97390369. The reversal of 97390311 is 11309379.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97390311 - 210 = 97389287 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97390511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157281 + ... + 157898.

It is an arithmetic number, because the mean of its divisors is an integer number (16389360).

Almost surely, 297390311 is an apocalyptic number.

97390311 is a deficient number, since it is larger than the sum of its proper divisors (33724569).

97390311 is a wasteful number, since it uses less digits than its factorization.

97390311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315285.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 97390311 is about 9868.6529475912. The cubic root of 97390311 is about 460.0855401729.

The spelling of 97390311 in words is "ninety-seven million, three hundred ninety thousand, three hundred eleven".

Divisors: 1 3 103 309 315179 945537 32463437 97390311