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475272520 = 2351732397
BaseRepresentation
bin11100010101000…
…001010101001000
31020010022100022221
4130111001111020
51433132210040
6115054423424
714530515112
oct3425012510
91203270287
10475272520
11224308308
12113201b74
1377607c58
144719a3b2
152bad174a
hex1c541548

475272520 has 48 divisors (see below), whose sum is σ = 1078289460. Its totient is φ = 188534016.

The previous prime is 475272487. The next prime is 475272521. The reversal of 475272520 is 25272574.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 436559236 + 38713284 = 20894^2 + 6222^2 .

It is not an unprimeable number, because it can be changed into a prime (475272521) by changing a digit.

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, 1196962 + ... + 1197358.

Almost surely, 2475272520 is an apocalyptic number.

475272520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475272520 is an abundant number, since it is smaller than the sum of its proper divisors (603016940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475272520 is a wasteful number, since it uses less digits than its factorization.

475272520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 475272520 is about 21800.7458588003. The cubic root of 475272520 is about 780.3945625949.

The spelling of 475272520 in words is "four hundred seventy-five million, two hundred seventy-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 173 346 397 692 794 865 1384 1588 1730 1985 3176 3460 3970 6920 7940 15880 29929 59858 68681 119716 137362 149645 239432 274724 299290 343405 549448 598580 686810 1197160 1373620 2747240 11881813 23763626 47527252 59409065 95054504 118818130 237636260 475272520