Base | Representation |
---|---|
bin | 1100100110110… |
… | …0010100001000 |
3 | 10200111012101010 |
4 | 3021230110020 |
5 | 102013404311 |
6 | 5125123520 |
7 | 1211260050 |
oct | 311542410 |
9 | 120435333 |
10 | 52872456 |
11 | 2793294a |
12 | 158595a0 |
13 | ac529a0 |
14 | 7044560 |
15 | 4995da6 |
hex | 326c508 |
52872456 has 128 divisors (see below), whose sum is σ = 166763520. Its totient is φ = 13595904.
The previous prime is 52872451. The next prime is 52872467. The reversal of 52872456 is 65427825.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (52872451) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93631 + ... + 94193.
It is an arithmetic number, because the mean of its divisors is an integer number (1302840).
Almost surely, 252872456 is an apocalyptic number.
52872456 is a gapful number since it is divisible by the number (56) 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 52872456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83381760).
52872456 is an abundant number, since it is smaller than the sum of its proper divisors (113891064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52872456 is a wasteful number, since it uses less digits than its factorization.
52872456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 635 (or 631 counting only the distinct ones).
The product of its digits is 134400, while the sum is 39.
The square root of 52872456 is about 7271.3448549770. The cubic root of 52872456 is about 375.3270178531.
The spelling of 52872456 in words is "fifty-two million, eight hundred seventy-two thousand, four hundred fifty-six".
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