Base | Representation |
---|---|
bin | 1011011011110… |
… | …0011111011000 |
3 | 10100020111222100 |
4 | 2312330133120 |
5 | 44234123401 |
6 | 4431523400 |
7 | 1121431113 |
oct | 266743730 |
9 | 110214870 |
10 | 47957976 |
11 | 250865a0 |
12 | 14089560 |
13 | 9c21b01 |
14 | 652557a |
15 | 4324b86 |
hex | 2dbc7d8 |
47957976 has 96 divisors (see below), whose sum is σ = 149198400. Its totient is φ = 13763520.
The previous prime is 47957971. The next prime is 47957993. The reversal of 47957976 is 67975974.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47957971) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13455 + ... + 16641.
It is an arithmetic number, because the mean of its divisors is an integer number (1554150).
Almost surely, 247957976 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 47957976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74599200).
47957976 is an abundant number, since it is smaller than the sum of its proper divisors (101240424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47957976 is a wasteful number, since it uses less digits than its factorization.
47957976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3229 (or 3222 counting only the distinct ones).
The product of its digits is 3333960, while the sum is 54.
The square root of 47957976 is about 6925.1697452120. The cubic root of 47957976 is about 363.3180283278.
The spelling of 47957976 in words is "forty-seven million, nine hundred fifty-seven thousand, nine hundred seventy-six".
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