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397652952 = 23316568873
BaseRepresentation
bin10111101100111…
…011001111011000
31000201020212022010
4113230323033120
51303244343302
6103243025520
712565665024
oct2754731730
91021225263
10397652952
11194512604
12b120b2a0
13644cc208
143ab53384
1524d9d16c
hex17b3b3d8

397652952 has 16 divisors (see below), whose sum is σ = 994132440. Its totient is φ = 132550976.

The previous prime is 397652951. The next prime is 397652953. The reversal of 397652952 is 259256793.

It is an interprime number because it is at equal distance from previous prime (397652951) and next prime (397652953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397652951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8284413 + ... + 8284460.

Almost surely, 2397652952 is an apocalyptic number.

It is an amenable number.

397652952 is an abundant number, since it is smaller than the sum of its proper divisors (596479488).

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

397652952 is a wasteful number, since it uses less digits than its factorization.

397652952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16568882 (or 16568878 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 48.

The square root of 397652952 is about 19941.2374741389. The cubic root of 397652952 is about 735.3623721018.

The spelling of 397652952 in words is "three hundred ninety-seven million, six hundred fifty-two thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 16568873 33137746 49706619 66275492 99413238 132550984 198826476 397652952