Base | Representation |
---|---|
bin | 1101100101011… |
… | …1001111100011 |
3 | 10222012220111002 |
4 | 3121113033203 |
5 | 104041333301 |
6 | 5353142215 |
7 | 1261216523 |
oct | 331271743 |
9 | 128186432 |
10 | 56980451 |
11 | 2a189290 |
12 | 170ba96b |
13 | ba60758 |
14 | 77d3683 |
15 | 500816b |
hex | 36573e3 |
56980451 has 4 divisors (see below), whose sum is σ = 62160504. Its totient is φ = 51800400.
The previous prime is 56980423. The next prime is 56980493. The reversal of 56980451 is 15408965.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-56980451 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (56980421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2590010 + ... + 2590031.
It is an arithmetic number, because the mean of its divisors is an integer number (15540126).
Almost surely, 256980451 is an apocalyptic number.
56980451 is a deficient number, since it is larger than the sum of its proper divisors (5180053).
56980451 is a wasteful number, since it uses less digits than its factorization.
56980451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5180052.
The product of its (nonzero) digits is 43200, while the sum is 38.
The square root of 56980451 is about 7548.5396600932. The cubic root of 56980451 is about 384.8061114019.
The spelling of 56980451 in words is "fifty-six million, nine hundred eighty thousand, four hundred fifty-one".
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