Base | Representation |
---|---|
bin | 11101111100100… |
… | …110100110000110 |
3 | 1022000101212220000 |
4 | 131330212212012 |
5 | 2012110112430 |
6 | 121504422130 |
7 | 15310356543 |
oct | 3574464606 |
9 | 1260355800 |
10 | 502425990 |
11 | 2386740a0 |
12 | 120317946 |
13 | 801243b1 |
14 | 4aa27bca |
15 | 2e196e60 |
hex | 1df26986 |
502425990 has 320 divisors, whose sum is σ = 1625868288. Its totient is φ = 109900800.
The previous prime is 502425983. The next prime is 502426019. The reversal of 502425990 is 99524205.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4695517 + ... + 4695623.
Almost surely, 2502425990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 502425990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812934144).
502425990 is an abundant number, since it is smaller than the sum of its proper divisors (1123442298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
502425990 is a wasteful number, since it uses less digits than its factorization.
502425990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185 (or 176 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The square root of 502425990 is about 22414.8609185959. The cubic root of 502425990 is about 794.9821284697.
The spelling of 502425990 in words is "five hundred two million, four hundred twenty-five thousand, nine hundred ninety".
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