Base | Representation |
---|---|
bin | 1011011011011… |
… | …0001000110000 |
3 | 10100012012021111 |
4 | 2312312020300 |
5 | 44232310302 |
6 | 4431203104 |
7 | 1121262205 |
oct | 266661060 |
9 | 110165244 |
10 | 47931952 |
11 | 25068a92 |
12 | 14076494 |
13 | 9c13003 |
14 | 6519cac |
15 | 431c0d7 |
hex | 2db6230 |
47931952 has 40 divisors (see below), whose sum is σ = 98243712. Its totient is φ = 22617600.
The previous prime is 47931901. The next prime is 47931953. The reversal of 47931952 is 25913974.
It is not an unprimeable number, because it can be changed into a prime (47931953) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19158 + ... + 21514.
Almost surely, 247931952 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 47931952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49121856).
47931952 is an abundant number, since it is smaller than the sum of its proper divisors (50311760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47931952 is a wasteful number, since it uses less digits than its factorization.
47931952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2437 (or 2431 counting only the distinct ones).
The product of its digits is 68040, while the sum is 40.
The square root of 47931952 is about 6923.2905471315. The cubic root of 47931952 is about 363.2522992604.
The spelling of 47931952 in words is "forty-seven million, nine hundred thirty-one thousand, nine hundred fifty-two".
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