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97201972 = 22712912689
BaseRepresentation
bin1011100101100…
…10111100110100
320202220101001001
411302302330310
5144340430342
613351213044
72260126450
oct562627464
9222811031
1097201972
114a96030a
1228677184
13171a407a
14cca3660
1588008b7
hex5cb2f34

97201972 has 24 divisors (see below), whose sum is σ = 194626880. Its totient is φ = 41610240.

The previous prime is 97201963. The next prime is 97201981. The reversal of 97201972 is 27910279.

It is an interprime number because it is at equal distance from previous prime (97201963) and next prime (97201981).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34804 + ... + 37492.

Almost surely, 297201972 is an apocalyptic number.

It is an amenable number.

97201972 is an abundant number, since it is smaller than the sum of its proper divisors (97424908).

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

97201972 is a wasteful number, since it uses less digits than its factorization.

97201972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991 (or 3989 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 97201972 is about 9859.1060446675. The cubic root of 97201972 is about 459.7887688023.

The spelling of 97201972 in words is "ninety-seven million, two hundred one thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 1291 2582 2689 5164 5378 9037 10756 18074 18823 36148 37646 75292 3471499 6942998 13885996 24300493 48600986 97201972