Base | Representation |
---|---|
bin | 1011011010110… |
… | …0111000110111 |
3 | 10100010021022111 |
4 | 2312230320313 |
5 | 44230102241 |
6 | 4430311451 |
7 | 1121043601 |
oct | 266547067 |
9 | 110107274 |
10 | 47894071 |
11 | 25042585 |
12 | 14058587 |
13 | 9bcb9b4 |
14 | 650a171 |
15 | 4310c81 |
hex | 2dace37 |
47894071 has 8 divisors (see below), whose sum is σ = 48666240. Its totient is φ = 47126712.
The previous prime is 47894053. The next prime is 47894087. The reversal of 47894071 is 17049874.
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 47894071 - 217 = 47762999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47894471) 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, 22470 + ... + 24508.
It is an arithmetic number, because the mean of its divisors is an integer number (6083280).
Almost surely, 247894071 is an apocalyptic number.
47894071 is a deficient number, since it is larger than the sum of its proper divisors (772169).
47894071 is a wasteful number, since it uses less digits than its factorization.
47894071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2405.
The product of its (nonzero) digits is 56448, while the sum is 40.
The square root of 47894071 is about 6920.5542408105. The cubic root of 47894071 is about 363.1565803204.
It can be divided in two parts, 478 and 94071, that added together give a palindrome (94549).
The spelling of 47894071 in words is "forty-seven million, eight hundred ninety-four thousand, seventy-one".
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