Base | Representation |
---|---|
bin | 101111101011… |
… | …011100000010 |
3 | 212111222222110 |
4 | 233223130002 |
5 | 11144424230 |
6 | 1123520150 |
7 | 211144221 |
oct | 57533402 |
9 | 25458873 |
10 | 12498690 |
11 | 70674a6 |
12 | 4229056 |
13 | 2787c99 |
14 | 1934cb8 |
15 | 116d4b0 |
hex | beb702 |
12498690 has 16 divisors (see below), whose sum is σ = 29996928. Its totient is φ = 3332976.
The previous prime is 12498679. The next prime is 12498691. The reversal of 12498690 is 9689421.
It is a super-2 number, since 2×124986902 = 312434503432200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12498691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208282 + ... + 208341.
It is an arithmetic number, because the mean of its divisors is an integer number (1874808).
Almost surely, 212498690 is an apocalyptic number.
12498690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12498690 is an abundant number, since it is smaller than the sum of its proper divisors (17498238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12498690 is a wasteful number, since it uses less digits than its factorization.
12498690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416633.
The product of its (nonzero) digits is 31104, while the sum is 39.
The square root of 12498690 is about 3535.3486391019. The cubic root of 12498690 is about 232.0713340889.
The spelling of 12498690 in words is "twelve million, four hundred ninety-eight thousand, six hundred ninety".
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