Base | Representation |
---|---|
bin | 1100010010101… |
… | …1111101011110 |
3 | 10121000112102020 |
4 | 3010223331132 |
5 | 101144412121 |
6 | 5041041010 |
7 | 1164153351 |
oct | 304537536 |
9 | 117015366 |
10 | 51560286 |
11 | 27117008 |
12 | 15326166 |
13 | a8b365b |
14 | 6bc2298 |
15 | 47d71c6 |
hex | 312bf5e |
51560286 has 16 divisors (see below), whose sum is σ = 109186704. Its totient is φ = 16175744.
The previous prime is 51560261. The next prime is 51560317. The reversal of 51560286 is 68206515.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252645 + ... + 252848.
It is an arithmetic number, because the mean of its divisors is an integer number (6824169).
Almost surely, 251560286 is an apocalyptic number.
51560286 is an abundant number, since it is smaller than the sum of its proper divisors (57626418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51560286 is a wasteful number, since it uses less digits than its factorization.
51560286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505515.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 51560286 is about 7180.5491433455. The cubic root of 51560286 is about 372.1960609452.
The spelling of 51560286 in words is "fifty-one million, five hundred sixty thousand, two hundred eighty-six".
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