Base | Representation |
---|---|
bin | 1011010111001… |
… | …1110110001111 |
3 | 10022200101211011 |
4 | 2311303312033 |
5 | 44200113211 |
6 | 4421310051 |
7 | 1116051460 |
oct | 265636617 |
9 | 108611734 |
10 | 47660431 |
11 | 249a2a95 |
12 | 13b65327 |
13 | 9b49550 |
14 | 6488d67 |
15 | 42b6921 |
hex | 2d73d8f |
47660431 has 8 divisors (see below), whose sum is σ = 58659104. Its totient is φ = 37709280.
The previous prime is 47660429. The next prime is 47660447. The reversal of 47660431 is 13406674.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47660431 - 21 = 47660429 is a prime.
It is a super-2 number, since 2×476604312 = 4543033366211522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47660393 and 47660402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47660461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261780 + ... + 261961.
It is an arithmetic number, because the mean of its divisors is an integer number (7332388).
Almost surely, 247660431 is an apocalyptic number.
47660431 is a deficient number, since it is larger than the sum of its proper divisors (10998673).
47660431 is a wasteful number, since it uses less digits than its factorization.
47660431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523761.
The product of its (nonzero) digits is 12096, while the sum is 31.
The square root of 47660431 is about 6903.6534530638. The cubic root of 47660431 is about 362.5650927104.
The spelling of 47660431 in words is "forty-seven million, six hundred sixty thousand, four hundred thirty-one".
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