Base | Representation |
---|---|
bin | 11101001110101… |
… | …010001010010100 |
3 | 1021011201222121021 |
4 | 131032222022110 |
5 | 2001014210342 |
6 | 120354330524 |
7 | 15103115023 |
oct | 3516521224 |
9 | 1234658537 |
10 | 490381972 |
11 | 231898263 |
12 | 118289a44 |
13 | 7a798362 |
14 | 491b08ba |
15 | 2d0b8567 |
hex | 1d3aa294 |
490381972 has 12 divisors (see below), whose sum is σ = 859316416. Its totient is φ = 244863000.
The previous prime is 490381961. The next prime is 490382003. The reversal of 490381972 is 279183094.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78618 + ... + 84625.
Almost surely, 2490381972 is an apocalyptic number.
It is an amenable number.
490381972 is a deficient number, since it is larger than the sum of its proper divisors (368934444).
490381972 is a wasteful number, since it uses less digits than its factorization.
490381972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163998 (or 163996 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 490381972 is about 22144.5698084203. The cubic root of 490381972 is about 788.5783179390.
The spelling of 490381972 in words is "four hundred ninety million, three hundred eighty-one thousand, nine hundred seventy-two".
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