Base | Representation |
---|---|
bin | 1011011010100… |
… | …1100100001000 |
3 | 10100002120122020 |
4 | 2312221210020 |
5 | 44224133311 |
6 | 4430124440 |
7 | 1120656111 |
oct | 266514410 |
9 | 110076566 |
10 | 47880456 |
11 | 25033328 |
12 | 14050720 |
13 | 9bc5740 |
14 | 6505208 |
15 | 430bc06 |
hex | 2da9908 |
47880456 has 128 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 13547520.
The previous prime is 47880409. The next prime is 47880491. The reversal of 47880456 is 65408874.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242950 + ... + 243146.
It is an arithmetic number, because the mean of its divisors is an integer number (1091475).
Almost surely, 247880456 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47880456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69854400).
47880456 is an abundant number, since it is smaller than the sum of its proper divisors (91828344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47880456 is a wasteful number, since it uses less digits than its factorization.
47880456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279 (or 275 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 42.
The square root of 47880456 is about 6919.5705069029. The cubic root of 47880456 is about 363.1221651668.
The spelling of 47880456 in words is "forty-seven million, eight hundred eighty thousand, four hundred fifty-six".
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