Base | Representation |
---|---|
bin | 1100010111100… |
… | …0010010100110 |
3 | 10121121102021210 |
4 | 3011320102212 |
5 | 101234413214 |
6 | 5051452250 |
7 | 1166625021 |
oct | 305702246 |
9 | 117542253 |
10 | 51872934 |
11 | 2730a9a3 |
12 | 15457086 |
13 | a992a59 |
14 | 6c641b8 |
15 | 4849b59 |
hex | 31784a6 |
51872934 has 16 divisors (see below), whose sum is σ = 104083200. Its totient is φ = 17234760.
The previous prime is 51872903. The next prime is 51872969. The reversal of 51872934 is 43927815.
It is a junction number, because it is equal to n+sod(n) for n = 51872892 and 51872901.
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, 12034 + ... + 15765.
It is an arithmetic number, because the mean of its divisors is an integer number (6505200).
Almost surely, 251872934 is an apocalyptic number.
51872934 is an abundant number, since it is smaller than the sum of its proper divisors (52210266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51872934 is a wasteful number, since it uses less digits than its factorization.
51872934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28115.
The product of its digits is 60480, while the sum is 39.
The square root of 51872934 is about 7202.2867202021. The cubic root of 51872934 is about 372.9468451065.
The spelling of 51872934 in words is "fifty-one million, eight hundred seventy-two thousand, nine hundred thirty-four".
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