Base | Representation |
---|---|
bin | 1100010011101… |
… | …1001110001000 |
3 | 10121010201011021 |
4 | 3010323032020 |
5 | 101203412132 |
6 | 5042242224 |
7 | 1164533524 |
oct | 304731610 |
9 | 117121137 |
10 | 51622792 |
11 | 27159a71 |
12 | 15356374 |
13 | a905c40 |
14 | 6bdad84 |
15 | 47ea997 |
hex | 313b388 |
51622792 has 32 divisors (see below), whose sum is σ = 105235200. Its totient is φ = 23598144.
The previous prime is 51622771. The next prime is 51622799. The reversal of 51622792 is 29722615.
It is not an unprimeable number, because it can be changed into a prime (51622799) 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, 8809 + ... + 13447.
It is an arithmetic number, because the mean of its divisors is an integer number (3288600).
Almost surely, 251622792 is an apocalyptic number.
51622792 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51622792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52617600).
51622792 is an abundant number, since it is smaller than the sum of its proper divisors (53612408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51622792 is a wasteful number, since it uses less digits than its factorization.
51622792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4765 (or 4761 counting only the distinct ones).
The product of its digits is 15120, while the sum is 34.
The square root of 51622792 is about 7184.9002776657. The cubic root of 51622792 is about 372.3464033503.
The spelling of 51622792 in words is "fifty-one million, six hundred twenty-two thousand, seven hundred ninety-two".
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