Base | Representation |
---|---|
bin | 110010001010… |
… | …000111100010 |
3 | 220202000112202 |
4 | 302022013202 |
5 | 11331224032 |
6 | 1145453202 |
7 | 216522143 |
oct | 62120742 |
9 | 26660482 |
10 | 13148642 |
11 | 7470851 |
12 | 44a1202 |
13 | 2954a80 |
14 | 1a63aca |
15 | 124ad62 |
hex | c8a1e2 |
13148642 has 16 divisors (see below), whose sum is σ = 21305592. Its totient is φ = 6049920.
The previous prime is 13148609. The next prime is 13148651. The reversal of 13148642 is 24684131.
It can be written as a sum of positive squares in 4 ways, for example, as 6497401 + 6651241 = 2549^2 + 2579^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11438 + ... + 12534.
Almost surely, 213148642 is an apocalyptic number.
13148642 is a deficient number, since it is larger than the sum of its proper divisors (8156950).
13148642 is a wasteful number, since it uses less digits than its factorization.
13148642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1573.
The product of its digits is 4608, while the sum is 29.
The square root of 13148642 is about 3626.1056244958. The cubic root of 13148642 is about 236.0262467218.
The spelling of 13148642 in words is "thirteen million, one hundred forty-eight thousand, six hundred forty-two".
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