Base | Representation |
---|---|
bin | 1101011110101… |
… | …0110000010111 |
3 | 10221101022221011 |
4 | 3113222300113 |
5 | 103433123322 |
6 | 5335433051 |
7 | 1254356146 |
oct | 327526027 |
9 | 127338834 |
10 | 56536087 |
11 | 29a05443 |
12 | 16b25787 |
13 | b93640a |
14 | 771975d |
15 | 4e6b677 |
hex | 35eac17 |
56536087 has 4 divisors (see below), whose sum is σ = 56623320. Its totient is φ = 56448856.
The previous prime is 56536079. The next prime is 56536133. The reversal of 56536087 is 78063565.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78063565 = 5 ⋅15612713.
It is a cyclic number.
It is not a de Polignac number, because 56536087 - 23 = 56536079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56536687) 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, 42637 + ... + 43942.
It is an arithmetic number, because the mean of its divisors is an integer number (14155830).
Almost surely, 256536087 is an apocalyptic number.
56536087 is a deficient number, since it is larger than the sum of its proper divisors (87233).
56536087 is an equidigital number, since it uses as much as digits as its factorization.
56536087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87232.
The product of its (nonzero) digits is 151200, while the sum is 40.
The square root of 56536087 is about 7519.0482775415. The cubic root of 56536087 is about 383.8031918826.
The spelling of 56536087 in words is "fifty-six million, five hundred thirty-six thousand, eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •