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487312428 = 223255115919
BaseRepresentation
bin11101000010111…
…100110000101100
31020221222000222110
4131002330300230
51444222444203
6120204444020
715035041641
oct3502746054
91227860873
10487312428
11230091049
12117249610
1379c62165
1448a11dc8
152cbadd03
hex1d0bcc2c

487312428 has 24 divisors (see below), whose sum is σ = 1137579520. Its totient is φ = 162363600.

The previous prime is 487312417. The next prime is 487312451. The reversal of 487312428 is 824213784.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22653 + ... + 38571.

Almost surely, 2487312428 is an apocalyptic number.

It is an amenable number.

487312428 is an abundant number, since it is smaller than the sum of its proper divisors (650267092).

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

487312428 is a wasteful number, since it uses less digits than its factorization.

487312428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477 (or 18475 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 487312428 is about 22075.1540877974. The cubic root of 487312428 is about 786.9295052800.

The spelling of 487312428 in words is "four hundred eighty-seven million, three hundred twelve thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 2551 5102 7653 10204 15306 15919 30612 31838 47757 63676 95514 191028 40609369 81218738 121828107 162437476 243656214 487312428