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487869172 = 22717423899
BaseRepresentation
bin11101000101000…
…100101011110100
31021000000022200121
4131011010223310
51444343303142
6120224421324
715042551050
oct3505045364
91230008617
10487869172
1123043136a
12117477844
137a0c86ab
1448b18c60
152cc6dc67
hex1d144af4

487869172 has 12 divisors (see below), whose sum is σ = 975738400. Its totient is φ = 209086776.

The previous prime is 487869167. The next prime is 487869181. The reversal of 487869172 is 271968784.

487869172 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8711922 + ... + 8711977.

Almost surely, 2487869172 is an apocalyptic number.

It is an amenable number.

487869172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

487869172 is a wasteful number, since it uses less digits than its factorization.

487869172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17423910 (or 17423908 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 487869172 is about 22087.7606832381. The cubic root of 487869172 is about 787.2290745873.

The spelling of 487869172 in words is "four hundred eighty-seven million, eight hundred sixty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 17423899 34847798 69695596 121967293 243934586 487869172