Base | Representation |
---|---|
bin | 1101100101001… |
… | …1001110000010 |
3 | 10222012001212200 |
4 | 3121103032002 |
5 | 104040321340 |
6 | 5352534030 |
7 | 1261120500 |
oct | 331231602 |
9 | 128161780 |
10 | 56963970 |
11 | 2a177968 |
12 | 170b1316 |
13 | ba560bb |
14 | 77cb670 |
15 | 5003330 |
hex | 3653382 |
56963970 has 72 divisors (see below), whose sum is σ = 172300284. Its totient is φ = 13019328.
The previous prime is 56963947. The next prime is 56963971. The reversal of 56963970 is 7936965.
56963970 is a `hidden beast` number, since 5 + 6 + 9 + 639 + 7 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 56836521 + 127449 = 7539^2 + 357^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (56963971) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2049 + ... + 10868.
Almost surely, 256963970 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56963970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86150142).
56963970 is an abundant number, since it is smaller than the sum of its proper divisors (115336314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56963970 is a wasteful number, since it uses less digits than its factorization.
56963970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12944 (or 12934 counting only the distinct ones).
The product of its (nonzero) digits is 306180, while the sum is 45.
The square root of 56963970 is about 7547.4479130366. The cubic root of 56963970 is about 384.7690074422.
The spelling of 56963970 in words is "fifty-six million, nine hundred sixty-three thousand, nine hundred seventy".
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