Base | Representation |
---|---|
bin | 1011011010110… |
… | …1010100100000 |
3 | 10100010100202000 |
4 | 2312231110200 |
5 | 44230131330 |
6 | 4430324000 |
7 | 1121052006 |
oct | 266552440 |
9 | 110110660 |
10 | 47895840 |
11 | 25043943 |
12 | 14059600 |
13 | 9bcc745 |
14 | 650aa76 |
15 | 4311560 |
hex | 2dad520 |
47895840 has 96 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 12771072.
The previous prime is 47895823. The next prime is 47895857. The reversal of 47895840 is 4859874.
It is an interprime number because it is at equal distance from previous prime (47895823) and next prime (47895857).
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×478958402 = 4588022978611200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
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, 1224 + ... + 9863.
It is an arithmetic number, because the mean of its divisors is an integer number (1746360).
Almost surely, 247895840 is an apocalyptic number.
47895840 is a gapful number since it is divisible by the number (40) 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 47895840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83825280).
47895840 is an abundant number, since it is smaller than the sum of its proper divisors (119754720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47895840 is a wasteful number, since it uses less digits than its factorization.
47895840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11111 (or 11097 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 47895840 is about 6920.6820473130. The cubic root of 47895840 is about 363.1610514102.
The spelling of 47895840 in words is "forty-seven million, eight hundred ninety-five thousand, eight hundred forty".
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