Base | Representation |
---|---|
bin | 11101010000101… |
… | …101011101101000 |
3 | 1021012202022100020 |
4 | 131100231131220 |
5 | 2001133413114 |
6 | 120414040440 |
7 | 15110515005 |
oct | 3520553550 |
9 | 1235668306 |
10 | 490919784 |
11 | 232125333 |
12 | 1184a9120 |
13 | 7a9260a4 |
14 | 492b08ac |
15 | 2d172aa9 |
hex | 1d42d768 |
490919784 has 32 divisors (see below), whose sum is σ = 1234091040. Its totient is φ = 162734400.
The previous prime is 490919771. The next prime is 490919827. The reversal of 490919784 is 487919094.
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, 52162 + ... + 60849.
It is an arithmetic number, because the mean of its divisors is an integer number (38565345).
Almost surely, 2490919784 is an apocalyptic number.
It is an amenable number.
490919784 is an abundant number, since it is smaller than the sum of its proper divisors (743171256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490919784 is a wasteful number, since it uses less digits than its factorization.
490919784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113201 (or 113197 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 51.
The square root of 490919784 is about 22156.7096835248. The cubic root of 490919784 is about 788.8664959707.
The spelling of 490919784 in words is "four hundred ninety million, nine hundred nineteen thousand, seven hundred eighty-four".
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