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474691640 = 23599711903
BaseRepresentation
bin11100010010110…
…011100000111000
31020002012211111212
4130102303200320
51433010113030
6115034142252
714522545433
oct3422634070
91202184455
10474691640
11223a50945
12112b81988
1377463737
144708881a
152ba19595
hex1c4b3838

474691640 has 32 divisors (see below), whose sum is σ = 1069217280. Its totient is φ = 189670272.

The previous prime is 474691631. The next prime is 474691661. The reversal of 474691640 is 46196474.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33929 + ... + 45831.

It is an arithmetic number, because the mean of its divisors is an integer number (33413040).

Almost surely, 2474691640 is an apocalyptic number.

474691640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

474691640 is an abundant number, since it is smaller than the sum of its proper divisors (594525640).

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

474691640 is a wasteful number, since it uses less digits than its factorization.

474691640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911 (or 12907 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 474691640 is about 21787.4193056452. The cubic root of 474691640 is about 780.0764991812.

The spelling of 474691640 in words is "four hundred seventy-four million, six hundred ninety-one thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 997 1994 3988 4985 7976 9970 11903 19940 23806 39880 47612 59515 95224 119030 238060 476120 11867291 23734582 47469164 59336455 94938328 118672910 237345820 474691640