Base | Representation |
---|---|
bin | 1101100001001… |
… | …1100010100100 |
3 | 10221200211002022 |
4 | 3120103202210 |
5 | 104004000030 |
6 | 5343202312 |
7 | 1255653164 |
oct | 330234244 |
9 | 127624068 |
10 | 56703140 |
11 | 2a0099aa |
12 | 16ba6398 |
13 | b994470 |
14 | 77605a4 |
15 | 4ea0de5 |
hex | 36138a4 |
56703140 has 36 divisors (see below), whose sum is σ = 128511516. Its totient is φ = 20891712.
The previous prime is 56703139. The next prime is 56703151. The reversal of 56703140 is 4130765.
It can be written as a sum of positive squares in 2 ways, for example, as 13957696 + 42745444 = 3736^2 + 6538^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
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 11 ways as a sum of consecutive naturals, for example, 121187 + ... + 121653.
Almost surely, 256703140 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56703140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64255758).
56703140 is an abundant number, since it is smaller than the sum of its proper divisors (71808376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56703140 is a wasteful number, since it uses less digits than its factorization.
56703140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 956 (or 487 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 56703140 is about 7530.1487369108. The cubic root of 56703140 is about 384.1808411089.
The spelling of 56703140 in words is "fifty-six million, seven hundred three thousand, one hundred forty".
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