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397468967 = 756781281
BaseRepresentation
bin10111101100001…
…110010100100111
31000200220111220212
4113230032110213
51303223001332
6103235050035
712564300440
oct2754162447
91020814825
10397468967
111943a7355
12b114091b
136446654c
143ab062c7
1524d638b2
hex17b0e527

397468967 has 4 divisors (see below), whose sum is σ = 454250256. Its totient is φ = 340687680.

The previous prime is 397468943. The next prime is 397469053. The reversal of 397468967 is 769864793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397468967 - 212 = 397464871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397468067) 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, 28390634 + ... + 28390647.

It is an arithmetic number, because the mean of its divisors is an integer number (113562564).

Almost surely, 2397468967 is an apocalyptic number.

397468967 is a deficient number, since it is larger than the sum of its proper divisors (56781289).

397468967 is an equidigital number, since it uses as much as digits as its factorization.

397468967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56781288.

The product of its digits is 13716864, while the sum is 59.

The square root of 397468967 is about 19936.6237613092. The cubic root of 397468967 is about 735.2489427771.

The spelling of 397468967 in words is "three hundred ninety-seven million, four hundred sixty-eight thousand, nine hundred sixty-seven".

Divisors: 1 7 56781281 397468967