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475075879 = 2320655473
BaseRepresentation
bin11100010100010…
…001010100100111
31020002221100120221
4130110101110213
51433104412004
6115050305211
714526035605
oct3424212447
91202840527
10475075879
112241935a3
12113128207
13775695b5
1447148875
152ba93354
hex1c511527

475075879 has 4 divisors (see below), whose sum is σ = 495731376. Its totient is φ = 454420384.

The previous prime is 475075817. The next prime is 475075889. The reversal of 475075879 is 978570574.

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

It is not a de Polignac number, because 475075879 - 211 = 475073831 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 (475075889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10327714 + ... + 10327759.

It is an arithmetic number, because the mean of its divisors is an integer number (123932844).

Almost surely, 2475075879 is an apocalyptic number.

475075879 is a deficient number, since it is larger than the sum of its proper divisors (20655497).

475075879 is a wasteful number, since it uses less digits than its factorization.

475075879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655496.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The square root of 475075879 is about 21796.2354318355. The cubic root of 475075879 is about 780.2869199761.

The spelling of 475075879 in words is "four hundred seventy-five million, seventy-five thousand, eight hundred seventy-nine".

Divisors: 1 23 20655473 475075879