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475395479 = 13215831777
BaseRepresentation
bin11100010101011…
…111010110010111
31020010112120222222
4130111133112113
51433200123404
6115101212555
714531536436
oct3425372627
91203476888
10475395479
11224391729
1211326115b
137764bc00
14471cd11d
152bb07dbe
hex1c55f597

475395479 has 12 divisors (see below), whose sum is σ = 515392416. Its totient is φ = 438302592.

The previous prime is 475395469. The next prime is 475395541. The reversal of 475395479 is 974593574.

It is a de Polignac number, because none of the positive numbers 2k-475395479 is a prime.

It is a super-2 number, since 2×4753954792 = 452001722907278882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 475395479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475395419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266639 + ... + 268415.

It is an arithmetic number, because the mean of its divisors is an integer number (42949368).

Almost surely, 2475395479 is an apocalyptic number.

475395479 is a deficient number, since it is larger than the sum of its proper divisors (39996937).

475395479 is a wasteful number, since it uses less digits than its factorization.

475395479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3373 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 53.

The square root of 475395479 is about 21803.5657404930. The cubic root of 475395479 is about 780.4618560999.

The spelling of 475395479 in words is "four hundred seventy-five million, three hundred ninety-five thousand, four hundred seventy-nine".

Divisors: 1 13 169 1583 1777 20579 23101 267527 300313 2812991 36568883 475395479