Base | Representation |
---|---|
bin | 1011011100001… |
… | …0000110100100 |
3 | 10100021200111202 |
4 | 2313002012210 |
5 | 44240342324 |
6 | 4432222032 |
7 | 1121555123 |
oct | 267020644 |
9 | 110250452 |
10 | 47980964 |
11 | 250a1899 |
12 | 1409a918 |
13 | 9c2c405 |
14 | 652daba |
15 | 432b8ae |
hex | 2dc21a4 |
47980964 has 12 divisors (see below), whose sum is σ = 86862300. Its totient is φ = 23163168.
The previous prime is 47980861. The next prime is 47980969. The reversal of 47980964 is 46908974.
It can be written as a sum of positive squares in 2 ways, for example, as 35307364 + 12673600 = 5942^2 + 3560^2 .
It is not an unprimeable number, because it can be changed into a prime (47980969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206699 + ... + 206930.
It is an arithmetic number, because the mean of its divisors is an integer number (7238525).
Almost surely, 247980964 is an apocalyptic number.
It is an amenable number.
47980964 is a deficient number, since it is larger than the sum of its proper divisors (38881336).
47980964 is a wasteful number, since it uses less digits than its factorization.
47980964 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 413662 (or 413660 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 47.
The square root of 47980964 is about 6926.8292890759. The cubic root of 47980964 is about 363.3760695646.
The spelling of 47980964 in words is "forty-seven million, nine hundred eighty thousand, nine hundred sixty-four".
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