Base | Representation |
---|---|
bin | 110010001011… |
… | …000011001000 |
3 | 220202012210000 |
4 | 302023003020 |
5 | 11331334311 |
6 | 1145523000 |
7 | 216536232 |
oct | 62130310 |
9 | 26665700 |
10 | 13152456 |
11 | 74736a9 |
12 | 44a3460 |
13 | 2956725 |
14 | 1a65252 |
15 | 124c056 |
hex | c8b0c8 |
13152456 has 40 divisors (see below), whose sum is σ = 36840870. Its totient is φ = 4383936.
The previous prime is 13152421. The next prime is 13152493. The reversal of 13152456 is 65425131.
13152456 is a `hidden beast` number, since 131 + 524 + 5 + 6 = 666.
It can be written as a sum of positive squares in only one way, i.e., 11329956 + 1822500 = 3366^2 + 1350^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9501 + ... + 10796.
Almost surely, 213152456 is an apocalyptic number.
It is an amenable number.
13152456 is an abundant number, since it is smaller than the sum of its proper divisors (23688414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13152456 is a wasteful number, since it uses less digits than its factorization.
13152456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20315 (or 20302 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 13152456 is about 3626.6314949275. The cubic root of 13152456 is about 236.0490657343.
Adding to 13152456 its reverse (65425131), we get a palindrome (78577587).
The spelling of 13152456 in words is "thirteen million, one hundred fifty-two thousand, four hundred fifty-six".
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