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490865125 = 5337211503
BaseRepresentation
bin11101010000100…
…000000111100101
31021012122112100211
4131100200013211
52001130141000
6120412535421
715110166442
oct3520400745
91235575324
10490865125
11232098263
12118481571
137a90724a
14492989c9
152d1617ba
hex1d4201e5

490865125 has 32 divisors (see below), whose sum is σ = 633394944. Its totient is φ = 379512000.

The previous prime is 490865119. The next prime is 490865189. The reversal of 490865125 is 521568094.

It is a de Polignac number, because none of the positive numbers 2k-490865125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 975624 + ... + 976126.

It is an arithmetic number, because the mean of its divisors is an integer number (19793592).

Almost surely, 2490865125 is an apocalyptic number.

It is an amenable number.

490865125 is a deficient number, since it is larger than the sum of its proper divisors (142529819).

490865125 is a wasteful number, since it uses less digits than its factorization.

490865125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 490865125 is about 22155.4761853588. The cubic root of 490865125 is about 788.8372174235.

The spelling of 490865125 in words is "four hundred ninety million, eight hundred sixty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 37 125 185 211 503 925 1055 2515 4625 5275 7807 12575 18611 26375 39035 62875 93055 106133 195175 465275 530665 975875 2326375 2653325 3926921 13266625 19634605 98173025 490865125