Base | Representation |
---|---|
bin | 1011010011011… |
… | …0000000110000 |
3 | 10022012112101110 |
4 | 2310312000300 |
5 | 44114012102 |
6 | 4412033320 |
7 | 1113645162 |
oct | 264660060 |
9 | 108175343 |
10 | 47407152 |
11 | 2483a771 |
12 | 13a62840 |
13 | 9a8b190 |
14 | 6420932 |
15 | 426686c |
hex | 2d36030 |
47407152 has 160 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 13271040.
The previous prime is 47407127. The next prime is 47407159. The reversal of 47407152 is 25170474.
It is a super-2 number, since 2×474071522 = 4494876121502208, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47407159) 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, 434874 + ... + 434982.
It is an arithmetic number, because the mean of its divisors is an integer number (902286).
Almost surely, 247407152 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 47407152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72182880).
47407152 is an abundant number, since it is smaller than the sum of its proper divisors (96958608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47407152 is a wasteful number, since it uses less digits than its factorization.
47407152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191 (or 185 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 30.
The square root of 47407152 is about 6885.2851792791. The cubic root of 47407152 is about 361.9216989259.
The spelling of 47407152 in words is "forty-seven million, four hundred seven thousand, one hundred fifty-two".
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