Base | Representation |
---|---|
bin | 11101001101110… |
… | …010101110011000 |
3 | 1021011022110010100 |
4 | 131031302232120 |
5 | 2000434424104 |
6 | 120345415400 |
7 | 15101151021 |
oct | 3515625630 |
9 | 1234273110 |
10 | 490154904 |
11 | 2317526a8 |
12 | 11819a560 |
13 | 7a718bb5 |
14 | 49151c48 |
15 | 2d071139 |
hex | 1d372b98 |
490154904 has 24 divisors (see below), whose sum is σ = 1327503060. Its totient is φ = 163384944.
The previous prime is 490154887. The next prime is 490154911. The reversal of 490154904 is 409451094.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3403782 + ... + 3403925.
Almost surely, 2490154904 is an apocalyptic number.
It is an amenable number.
490154904 is an abundant number, since it is smaller than the sum of its proper divisors (837348156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490154904 is a wasteful number, since it uses less digits than its factorization.
490154904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6807719 (or 6807712 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 490154904 is about 22139.4422693978. The cubic root of 490154904 is about 788.4565838919.
The spelling of 490154904 in words is "four hundred ninety million, one hundred fifty-four thousand, nine hundred four".
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