Base | Representation |
---|---|
bin | 1011010011011… |
… | …1010011001111 |
3 | 10022012210121222 |
4 | 2310313103033 |
5 | 44114144211 |
6 | 4412113555 |
7 | 1113666443 |
oct | 264672317 |
9 | 108183558 |
10 | 47412431 |
11 | 24843730 |
12 | 13a658bb |
13 | 9a906c1 |
14 | 6422823 |
15 | 42681db |
hex | 2d374cf |
47412431 has 8 divisors (see below), whose sum is σ = 51773904. Its totient is φ = 43059520.
The previous prime is 47412401. The next prime is 47412457. The reversal of 47412431 is 13421474.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47412431 - 26 = 47412367 is a prime.
It is a super-2 number, since 2×474124312 = 4495877226659522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47412431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47412401) 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, 16691 + ... + 19323.
It is an arithmetic number, because the mean of its divisors is an integer number (6471738).
Almost surely, 247412431 is an apocalyptic number.
47412431 is a deficient number, since it is larger than the sum of its proper divisors (4361473).
47412431 is a wasteful number, since it uses less digits than its factorization.
47412431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4281.
The product of its digits is 2688, while the sum is 26.
The square root of 47412431 is about 6885.6685223731. The cubic root of 47412431 is about 361.9351322980.
The spelling of 47412431 in words is "forty-seven million, four hundred twelve thousand, four hundred thirty-one".
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