Base | Representation |
---|---|
bin | 1100001110101… |
… | …1010011101110 |
3 | 10120112002011020 |
4 | 3003223103232 |
5 | 101112423340 |
6 | 5031235010 |
7 | 1162001322 |
oct | 303532356 |
9 | 116462136 |
10 | 51295470 |
11 | 26a56056 |
12 | 15218a66 |
13 | a81cc65 |
14 | 6b53982 |
15 | 47839d0 |
hex | 30eb4ee |
51295470 has 32 divisors (see below), whose sum is σ = 123409440. Its totient is φ = 13645440.
The previous prime is 51295457. The next prime is 51295499. The reversal of 51295470 is 7459215.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11976 + ... + 15684.
It is an arithmetic number, because the mean of its divisors is an integer number (3856545).
Almost surely, 251295470 is an apocalyptic number.
51295470 is an abundant number, since it is smaller than the sum of its proper divisors (72113970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51295470 is a wasteful number, since it uses less digits than its factorization.
51295470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4180.
The product of its (nonzero) digits is 12600, while the sum is 33.
The square root of 51295470 is about 7162.0855901057. The cubic root of 51295470 is about 371.5577615547.
The spelling of 51295470 in words is "fifty-one million, two hundred ninety-five thousand, four hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •