Base | Representation |
---|---|
bin | 110001110001… |
… | …111001010000 |
3 | 220112222110000 |
4 | 301301321100 |
5 | 11320040144 |
6 | 1143410000 |
7 | 215626653 |
oct | 61617120 |
9 | 26488400 |
10 | 13049424 |
11 | 7403253 |
12 | 4453900 |
13 | 291b86b |
14 | 1a3989a |
15 | 122b769 |
hex | c71e50 |
13049424 has 50 divisors (see below), whose sum is σ = 37772570. Its totient is φ = 4349376.
The previous prime is 13049417. The next prime is 13049431. The reversal of 13049424 is 42494031.
It is an interprime number because it is at equal distance from previous prime (13049417) and next prime (13049431).
It can be written as a sum of positive squares in only one way, i.e., 9809424 + 3240000 = 3132^2 + 1800^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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 9 ways as a sum of consecutive naturals, for example, 3739 + ... + 6330.
Almost surely, 213049424 is an apocalyptic number.
It is an amenable number.
13049424 is an abundant number, since it is smaller than the sum of its proper divisors (24723146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13049424 is a wasteful number, since it uses less digits than its factorization.
13049424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10089 (or 10074 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 13049424 is about 3612.3986490973. The cubic root of 13049424 is about 235.4310723670.
The spelling of 13049424 in words is "thirteen million, forty-nine thousand, four hundred twenty-four".
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