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398083375 = 5326312109
BaseRepresentation
bin10111101110100…
…100010100101111
31000202001201201201
4113232210110233
51303402132000
6103300150331
712602436634
oct2756442457
91022051651
10398083375
11194786a28
12b13983a7
13646200c1
143ac2618b
1524e3596a
hex17ba452f

398083375 has 16 divisors (see below), whose sum is σ = 498738240. Its totient is φ = 317229600.

The previous prime is 398083363. The next prime is 398083393. The reversal of 398083375 is 573380893.

It is a happy number.

It is not a de Polignac number, because 398083375 - 219 = 397559087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26821 + ... + 38929.

It is an arithmetic number, because the mean of its divisors is an integer number (31171140).

Almost surely, 2398083375 is an apocalyptic number.

398083375 is a deficient number, since it is larger than the sum of its proper divisors (100654865).

398083375 is a wasteful number, since it uses less digits than its factorization.

398083375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12387 (or 12377 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 398083375 is about 19952.0268393965. The cubic root of 398083375 is about 735.6275972980.

The spelling of 398083375 in words is "three hundred ninety-eight million, eighty-three thousand, three hundred seventy-five".

Divisors: 1 5 25 125 263 1315 6575 12109 32875 60545 302725 1513625 3184667 15923335 79616675 398083375