Base | Representation |
---|---|
bin | 110000000110… |
… | …001111101010 |
3 | 212201120121010 |
4 | 300012033222 |
5 | 11211432430 |
6 | 1130124350 |
7 | 212112306 |
oct | 60061752 |
9 | 25646533 |
10 | 12608490 |
11 | 7131a44 |
12 | 42806b6 |
13 | 27c5c5b |
14 | 1962d06 |
15 | 1190cb0 |
hex | c063ea |
12608490 has 48 divisors (see below), whose sum is σ = 31201632. Its totient is φ = 3260736.
The previous prime is 12608489. The next prime is 12608501. The reversal of 12608490 is 9480621.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40917 + ... + 41223.
It is an arithmetic number, because the mean of its divisors is an integer number (650034).
Almost surely, 212608490 is an apocalyptic number.
12608490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12608490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15600816).
12608490 is an abundant number, since it is smaller than the sum of its proper divisors (18593142).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12608490 is a wasteful number, since it uses less digits than its factorization.
12608490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391 (or 354 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 12608490 is about 3550.8435617470. The cubic root of 12608490 is about 232.7489298231.
The spelling of 12608490 in words is "twelve million, six hundred eight thousand, four hundred ninety".
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