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475237940 = 22523761897
BaseRepresentation
bin11100010100111…
…000111000110100
31020010020120220012
4130110320320310
51433130103230
6115053555352
714530312232
oct3424707064
91203216805
10475237940
11224294331
121131a5b58
13775c52a8
144718b952
152bac6395
hex1c538e34

475237940 has 12 divisors (see below), whose sum is σ = 997999716. Its totient is φ = 190095168.

The previous prime is 475237933. The next prime is 475237949. The reversal of 475237940 is 49732574.

It can be written as a sum of positive squares in 2 ways, for example, as 60871204 + 414366736 = 7802^2 + 20356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475237949) 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, 11880929 + ... + 11880968.

It is an arithmetic number, because the mean of its divisors is an integer number (83166643).

Almost surely, 2475237940 is an apocalyptic number.

It is an amenable number.

475237940 is an abundant number, since it is smaller than the sum of its proper divisors (522761776).

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

475237940 is a wasteful number, since it uses less digits than its factorization.

475237940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23761906 (or 23761904 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 475237940 is about 21799.9527522424. The cubic root of 475237940 is about 780.3756354199.

The spelling of 475237940 in words is "four hundred seventy-five million, two hundred thirty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 23761897 47523794 95047588 118809485 237618970 475237940