Base | Representation |
---|---|
bin | 11101001111100… |
… | …000111110110011 |
3 | 1021012011101121200 |
4 | 131033200332303 |
5 | 2001043402030 |
6 | 120403222243 |
7 | 15105041460 |
oct | 3517407663 |
9 | 1235141550 |
10 | 490606515 |
11 | 231a30a33 |
12 | 118377983 |
13 | 7a846619 |
14 | 4922c667 |
15 | 2d10ed60 |
hex | 1d3e0fb3 |
490606515 has 24 divisors (see below), whose sum is σ = 971868768. Its totient is φ = 224277120.
The previous prime is 490606507. The next prime is 490606541. The reversal of 490606515 is 515606094.
490606515 is a `hidden beast` number, since 49 + 0 + 606 + 5 + 1 + 5 = 666.
It is not a de Polignac number, because 490606515 - 23 = 490606507 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 490606515.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778426 + ... + 779055.
It is an arithmetic number, because the mean of its divisors is an integer number (40494532).
Almost surely, 2490606515 is an apocalyptic number.
490606515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
490606515 is a deficient number, since it is larger than the sum of its proper divisors (481262253).
490606515 is a wasteful number, since it uses less digits than its factorization.
490606515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1557499 (or 1557496 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The square root of 490606515 is about 22149.6391618464. The cubic root of 490606515 is about 788.6986613528.
The spelling of 490606515 in words is "four hundred ninety million, six hundred six thousand, five hundred fifteen".
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