Base | Representation |
---|---|
bin | 11101010000100… |
… | …001010011111111 |
3 | 1021012122210001221 |
4 | 131100201103333 |
5 | 2001130320030 |
6 | 120413014211 |
7 | 15110216626 |
oct | 3520412377 |
9 | 1235583057 |
10 | 490870015 |
11 | 2320a09a9 |
12 | 118484367 |
13 | 7a90953c |
14 | 4929a6bd |
15 | 2d162e7a |
hex | 1d4214ff |
490870015 has 8 divisors (see below), whose sum is σ = 589163040. Its totient is φ = 392616672.
The previous prime is 490869991. The next prime is 490870043. The reversal of 490870015 is 510078094.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 490870015 - 211 = 490867967 is a prime.
It is a super-2 number, since 2×4908700152 = 481906743252200450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42217 + ... + 52573.
It is an arithmetic number, because the mean of its divisors is an integer number (73645380).
Almost surely, 2490870015 is an apocalyptic number.
490870015 is a deficient number, since it is larger than the sum of its proper divisors (98293025).
490870015 is a wasteful number, since it uses less digits than its factorization.
490870015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19841.
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 490870015 is about 22155.5865415475. The cubic root of 490870015 is about 788.8398368812.
The spelling of 490870015 in words is "four hundred ninety million, eight hundred seventy thousand, fifteen".
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