Base | Representation |
---|---|
bin | 11101010000100… |
… | …000000111100101 |
3 | 1021012122112100211 |
4 | 131100200013211 |
5 | 2001130141000 |
6 | 120412535421 |
7 | 15110166442 |
oct | 3520400745 |
9 | 1235575324 |
10 | 490865125 |
11 | 232098263 |
12 | 118481571 |
13 | 7a90724a |
14 | 492989c9 |
15 | 2d1617ba |
hex | 1d4201e5 |
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".
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