Base | Representation |
---|---|
bin | 1011011010110… |
… | …1111100010000 |
3 | 10100010111020020 |
4 | 2312231330100 |
5 | 44230222014 |
6 | 4430343440 |
7 | 1121062302 |
oct | 266557420 |
9 | 110114206 |
10 | 47898384 |
11 | 25045846 |
12 | 1405ab80 |
13 | 9c00951 |
14 | 650b972 |
15 | 43121a9 |
hex | 2dadf10 |
47898384 has 40 divisors (see below), whose sum is σ = 131018400. Its totient is φ = 15026688.
The previous prime is 47898371. The next prime is 47898391. The reversal of 47898384 is 48389874.
It is a super-2 number, since 2×478983842 = 4588510379622912, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
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, 28534 + ... + 30165.
It is an arithmetic number, because the mean of its divisors is an integer number (3275460).
Almost surely, 247898384 is an apocalyptic number.
It is an amenable number.
47898384 is an abundant number, since it is smaller than the sum of its proper divisors (83120016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47898384 is a wasteful number, since it uses less digits than its factorization.
47898384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58727 (or 58721 counting only the distinct ones).
The product of its digits is 1548288, while the sum is 51.
The square root of 47898384 is about 6920.8658417860. The cubic root of 47898384 is about 363.1674810943.
The spelling of 47898384 in words is "forty-seven million, eight hundred ninety-eight thousand, three hundred eighty-four".
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