Base | Representation |
---|---|
bin | 11101010000000… |
… | …001011101011000 |
3 | 1021012102011002200 |
4 | 131100001131120 |
5 | 2001112131134 |
6 | 120410130200 |
7 | 15106134351 |
oct | 3520013530 |
9 | 1235364080 |
10 | 490739544 |
11 | 232011979 |
12 | 118420960 |
13 | 7a892039 |
14 | 49264d28 |
15 | 2d139499 |
hex | 1d401758 |
490739544 has 48 divisors (see below), whose sum is σ = 1407271320. Its totient is φ = 153957120.
The previous prime is 490739519. The next prime is 490739563. The reversal of 490739544 is 445937094.
It is a happy number.
490739544 is a `hidden beast` number, since 490 + 73 + 95 + 4 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 490739544.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199242 + ... + 201689.
Almost surely, 2490739544 is an apocalyptic number.
It is an amenable number.
490739544 is an abundant number, since it is smaller than the sum of its proper divisors (916531776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490739544 is a wasteful number, since it uses less digits than its factorization.
490739544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400960 (or 400953 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 45.
The square root of 490739544 is about 22152.6419191933. The cubic root of 490739544 is about 788.7699406838.
The spelling of 490739544 in words is "four hundred ninety million, seven hundred thirty-nine thousand, five hundred forty-four".
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