Base | Representation |
---|---|
bin | 11101010000100… |
… | …101101001000110 |
3 | 1021012200200101210 |
4 | 131100211221012 |
5 | 2001131402000 |
6 | 120413232250 |
7 | 15110322423 |
oct | 3520455106 |
9 | 1235620353 |
10 | 490887750 |
11 | 232103261 |
12 | 118492686 |
13 | 7a914632 |
14 | 492a2d4a |
15 | 2d168350 |
hex | 1d425a46 |
490887750 has 64 divisors (see below), whose sum is σ = 1297363392. Its totient is φ = 123200000.
The previous prime is 490887737. The next prime is 490887791. The reversal of 490887750 is 57788094.
It is a self number, because there is not a number n which added to its sum of digits gives 490887750.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6501 + ... + 32000.
It is an arithmetic number, because the mean of its divisors is an integer number (20271303).
Almost surely, 2490887750 is an apocalyptic number.
490887750 is an abundant number, since it is smaller than the sum of its proper divisors (806475642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490887750 is a wasteful number, since it uses less digits than its factorization.
490887750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38538 (or 38528 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 48.
The square root of 490887750 is about 22155.9867755873. The cubic root of 490887750 is about 788.8493369563.
The spelling of 490887750 in words is "four hundred ninety million, eight hundred eighty-seven thousand, seven hundred fifty".
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