Base | Representation |
---|---|
bin | 1100010111110… |
… | …1111001000110 |
3 | 10121122120202120 |
4 | 3011331321012 |
5 | 101241132003 |
6 | 5052150410 |
7 | 1200051636 |
oct | 305757106 |
9 | 117576676 |
10 | 51895878 |
11 | 27326161 |
12 | 15468406 |
13 | a9a0328 |
14 | 6c6c6c6 |
15 | 4851853 |
hex | 317de46 |
51895878 has 16 divisors (see below), whose sum is σ = 109254720. Its totient is φ = 16388136.
The previous prime is 51895871. The next prime is 51895901. The reversal of 51895878 is 87859815.
51895878 is nontrivially palindromic in base 14.
51895878 is an undulating number in base 14.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 51895878.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51895871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227500 + ... + 227727.
It is an arithmetic number, because the mean of its divisors is an integer number (6828420).
Almost surely, 251895878 is an apocalyptic number.
51895878 is an abundant number, since it is smaller than the sum of its proper divisors (57358842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51895878 is a wasteful number, since it uses less digits than its factorization.
51895878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 455251.
The product of its digits is 806400, while the sum is 51.
The square root of 51895878 is about 7203.8793715609. The cubic root of 51895878 is about 373.0018232391.
The spelling of 51895878 in words is "fifty-one million, eight hundred ninety-five thousand, eight hundred seventy-eight".
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