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475205825 = 52103318401
BaseRepresentation
bin11100010100110…
…001000011000001
31020010011221211202
4130110301003001
51433123041300
6115053150545
714530116503
oct3424610301
91203157752
10475205825
11224272196
1211318b455
13775b37a3
144717dd73
152babbad5
hex1c5310c1

475205825 has 12 divisors (see below), whose sum is σ = 589857708. Its totient is φ = 379776000.

The previous prime is 475205807. The next prime is 475205881. The reversal of 475205825 is 528502574.

It can be written as a sum of positive squares in 6 ways, for example, as 8300161 + 466905664 = 2881^2 + 21608^2 .

It is not a de Polignac number, because 475205825 - 218 = 474943681 is a prime.

It is a super-2 number, since 2×4752058252 = 451641152227861250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16625 + ... + 35025.

It is an arithmetic number, because the mean of its divisors is an integer number (49154809).

Almost surely, 2475205825 is an apocalyptic number.

It is an amenable number.

475205825 is a deficient number, since it is larger than the sum of its proper divisors (114651883).

475205825 is a wasteful number, since it uses less digits than its factorization.

475205825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19444 (or 19439 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 475205825 is about 21799.2161556328. The cubic root of 475205825 is about 780.3580566269.

The spelling of 475205825 in words is "four hundred seventy-five million, two hundred five thousand, eight hundred twenty-five".

Divisors: 1 5 25 1033 5165 18401 25825 92005 460025 19008233 95041165 475205825