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397196252 = 22188952567
BaseRepresentation
bin10111101011001…
…011101111011100
31000200101122211022
4113223023233130
51303140240002
6103225143312
712562053365
oct2753135734
91020348738
10397196252
11194230472
12b102ab38
136439c38b
143aa74b6c
1524d0cba2
hex17acbbdc

397196252 has 12 divisors (see below), whose sum is σ = 695474640. Its totient is φ = 198489216.

The previous prime is 397196237. The next prime is 397196263. The reversal of 397196252 is 252691793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18728 + ... + 33839.

It is an arithmetic number, because the mean of its divisors is an integer number (57956220).

Almost surely, 2397196252 is an apocalyptic number.

It is an amenable number.

397196252 is a deficient number, since it is larger than the sum of its proper divisors (298278388).

397196252 is a wasteful number, since it uses less digits than its factorization.

397196252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54460 (or 54458 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 397196252 is about 19929.7830394613. The cubic root of 397196252 is about 735.0807457529.

The spelling of 397196252 in words is "three hundred ninety-seven million, one hundred ninety-six thousand, two hundred fifty-two".

Divisors: 1 2 4 1889 3778 7556 52567 105134 210268 99299063 198598126 397196252