Base | Representation |
---|---|
bin | 1100110101010… |
… | …1110001001000 |
3 | 10202021210001211 |
4 | 3031111301020 |
5 | 102240004210 |
6 | 5201422504 |
7 | 1222351633 |
oct | 315256110 |
9 | 122253054 |
10 | 53828680 |
11 | 28426314 |
12 | 1603aa34 |
13 | b1c8cb9 |
14 | 7212c1a |
15 | 4ad438a |
hex | 3355c48 |
53828680 has 32 divisors (see below), whose sum is σ = 122196600. Its totient is φ = 21339136.
The previous prime is 53828623. The next prime is 53828683. The reversal of 53828680 is 8682835.
It can be written as a sum of positive squares in 4 ways, for example, as 22221796 + 31606884 = 4714^2 + 5622^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (53828683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435 + ... + 10474.
Almost surely, 253828680 is an apocalyptic number.
It is an amenable number.
53828680 is an abundant number, since it is smaller than the sum of its proper divisors (68367920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53828680 is a wasteful number, since it uses less digits than its factorization.
53828680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12033 (or 12029 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 40.
The square root of 53828680 is about 7336.8031185251. The cubic root of 53828680 is about 377.5761698849.
The spelling of 53828680 in words is "fifty-three million, eight hundred twenty-eight thousand, six hundred eighty".
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