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396913867 = 728100283
BaseRepresentation
bin10111101010000…
…110110011001011
31000122212022110121
4113222012303023
51303102220432
6103215124111
712556466200
oct2752066313
91018768417
10396913867
11194058299
12b0b13637
136430099c
143a9ddca7
1524ca4197
hex17a86ccb

396913867 has 6 divisors (see below), whose sum is σ = 461716188. Its totient is φ = 340211844.

The previous prime is 396913859. The next prime is 396913871. The reversal of 396913867 is 768319693.

It is not a de Polignac number, because 396913867 - 23 = 396913859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396913817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4050093 + ... + 4050190.

It is an arithmetic number, because the mean of its divisors is an integer number (76952698).

Almost surely, 2396913867 is an apocalyptic number.

396913867 is a deficient number, since it is larger than the sum of its proper divisors (64802321).

396913867 is an equidigital number, since it uses as much as digits as its factorization.

396913867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100297 (or 8100290 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The square root of 396913867 is about 19922.6972822457. The cubic root of 396913867 is about 734.9065036023.

The spelling of 396913867 in words is "three hundred ninety-six million, nine hundred thirteen thousand, eight hundred sixty-seven".

Divisors: 1 7 49 8100283 56701981 396913867