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97904274 = 23131255183
BaseRepresentation
bin1011101010111…
…10011010010010
320211020001102020
411311132122102
5200030414044
613414232310
72266113126
oct565363222
9224201366
1097904274
115029aa26
1228955696
131738b930
14d007586
1588dda19
hex5d5e692

97904274 has 16 divisors (see below), whose sum is σ = 210870912. Its totient is φ = 30124368.

The previous prime is 97904273. The next prime is 97904297. The reversal of 97904274 is 47240979.

It is not an unprimeable number, because it can be changed into a prime (97904273) 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, 627514 + ... + 627669.

It is an arithmetic number, because the mean of its divisors is an integer number (13179432).

Almost surely, 297904274 is an apocalyptic number.

97904274 is an abundant number, since it is smaller than the sum of its proper divisors (112966638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97904274 is a wasteful number, since it uses less digits than its factorization.

97904274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255201.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 97904274 is about 9894.6588622347. The cubic root of 97904274 is about 460.8934651236.

The spelling of 97904274 in words is "ninety-seven million, nine hundred four thousand, two hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 78 1255183 2510366 3765549 7531098 16317379 32634758 48952137 97904274