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478852540 = 22524199347
BaseRepresentation
bin11100100010101…
…011010110111100
31020101001020012021
4130202223112330
51440041240130
6115303245524
714603115355
oct3442532674
91211036167
10478852540
11226333001
121144498a4
137828c5ca
144784cd2c
152c08c37a
hex1c8ab5bc

478852540 has 24 divisors (see below), whose sum is σ = 1009773072. Its totient is φ = 190744320.

The previous prime is 478852523. The next prime is 478852547. The reversal of 478852540 is 45258874.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478852547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44854 + ... + 54493.

It is an arithmetic number, because the mean of its divisors is an integer number (42073878).

Almost surely, 2478852540 is an apocalyptic number.

It is an amenable number.

478852540 is an abundant number, since it is smaller than the sum of its proper divisors (530920532).

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

478852540 is a wasteful number, since it uses less digits than its factorization.

478852540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99597 (or 99595 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 478852540 is about 21882.6995592409. The cubic root of 478852540 is about 782.3491201302.

The spelling of 478852540 in words is "four hundred seventy-eight million, eight hundred fifty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 241 482 964 1205 2410 4820 99347 198694 397388 496735 993470 1986940 23942627 47885254 95770508 119713135 239426270 478852540