Base | Representation |
---|---|
bin | 11111101011100… |
… | …100000010010010 |
3 | 1101001010200102211 |
4 | 133223210002102 |
5 | 2042031412430 |
6 | 124424102334 |
7 | 16112535004 |
oct | 3753440222 |
9 | 1331120384 |
10 | 531513490 |
11 | 253030a52 |
12 | 12a0049aa |
13 | 86169c31 |
14 | 5083a374 |
15 | 319e072a |
hex | 1fae4092 |
531513490 has 8 divisors (see below), whose sum is σ = 956724300. Its totient is φ = 212605392.
The previous prime is 531513481. The next prime is 531513503. The reversal of 531513490 is 94315135.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 531164209 + 349281 = 23047^2 + 591^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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, 26575665 + ... + 26575684.
Almost surely, 2531513490 is an apocalyptic number.
531513490 is a deficient number, since it is larger than the sum of its proper divisors (425210810).
531513490 is a wasteful number, since it uses less digits than its factorization.
531513490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53151356.
The product of its (nonzero) digits is 8100, while the sum is 31.
The square root of 531513490 is about 23054.5763352962. The cubic root of 531513490 is about 810.0368270611.
The spelling of 531513490 in words is "five hundred thirty-one million, five hundred thirteen thousand, four hundred ninety".
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