Base | Representation |
---|---|
bin | 110001110100… |
… | …111000101000 |
3 | 220120121020122 |
4 | 301310320220 |
5 | 11320433142 |
6 | 1143542412 |
7 | 216010451 |
oct | 61647050 |
9 | 26517218 |
10 | 13061672 |
11 | 7411478 |
12 | 445aa08 |
13 | 2924300 |
14 | 1a40128 |
15 | 12301d2 |
hex | c74e28 |
13061672 has 24 divisors (see below), whose sum is σ = 26522190. Its totient is φ = 6027840.
The previous prime is 13061669. The next prime is 13061681. The reversal of 13061672 is 27616031.
It can be written as a sum of positive squares in 3 ways, for example, as 1999396 + 11062276 = 1414^2 + 3326^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
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 5 ways as a sum of consecutive naturals, for example, 3479 + ... + 6182.
Almost surely, 213061672 is an apocalyptic number.
It is an amenable number.
13061672 is an abundant number, since it is smaller than the sum of its proper divisors (13460518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13061672 is a wasteful number, since it uses less digits than its factorization.
13061672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9693 (or 9676 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 13061672 is about 3614.0935239697. The cubic root of 13061672 is about 235.5047067305.
The spelling of 13061672 in words is "thirteen million, sixty-one thousand, six hundred seventy-two".
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