Base | Representation |
---|---|
bin | 1011010000101… |
… | …1001001010100 |
3 | 10021212121112111 |
4 | 2310023021110 |
5 | 44042402242 |
6 | 4404200404 |
7 | 1112314243 |
oct | 264131124 |
9 | 107777474 |
10 | 47231572 |
11 | 2472a863 |
12 | 13999104 |
13 | 9a2929b |
14 | 63b695a |
15 | 422e817 |
hex | 2d0b254 |
47231572 has 24 divisors (see below), whose sum is σ = 84389760. Its totient is φ = 23125440.
The previous prime is 47231567. The next prime is 47231579. The reversal of 47231572 is 27513274.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47231579) 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 7 ways as a sum of consecutive naturals, for example, 42747 + ... + 43837.
It is an arithmetic number, because the mean of its divisors is an integer number (3516240).
Almost surely, 247231572 is an apocalyptic number.
It is an amenable number.
47231572 is a deficient number, since it is larger than the sum of its proper divisors (37158188).
47231572 is a wasteful number, since it uses less digits than its factorization.
47231572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1311 (or 1309 counting only the distinct ones).
The product of its digits is 11760, while the sum is 31.
The square root of 47231572 is about 6872.5229719514. The cubic root of 47231572 is about 361.4743344656.
The spelling of 47231572 in words is "forty-seven million, two hundred thirty-one thousand, five hundred seventy-two".
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