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475081472 = 281997673
BaseRepresentation
bin11100010100010…
…010101100000000
31020002221122021002
4130110102230000
51433110101342
6115050351132
714526061115
oct3424225400
91202848232
10475081472
11224197818
1211312b4a8
137756bcc8
144714a90c
152ba94d32
hex1c512b00

475081472 has 36 divisors (see below), whose sum is σ = 998228280. Its totient is φ = 225036288.

The previous prime is 475081471. The next prime is 475081483. The reversal of 475081472 is 274180574.

It is a super-3 number, since 3×4750814723 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (475081471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43973 + ... + 53700.

Almost surely, 2475081472 is an apocalyptic number.

It is an amenable number.

475081472 is an abundant number, since it is smaller than the sum of its proper divisors (523146808).

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

475081472 is an equidigital number, since it uses as much as digits as its factorization.

475081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97708 (or 97694 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 475081472 is about 21796.3637334304. The cubic root of 475081472 is about 780.2899820327.

The spelling of 475081472 in words is "four hundred seventy-five million, eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1216 2432 4864 97673 195346 390692 781384 1562768 1855787 3125536 3711574 6251072 7423148 12502144 14846296 25004288 29692592 59385184 118770368 237540736 475081472