Base | Representation |
---|---|
bin | 1011010100101… |
… | …0111001001101 |
3 | 10022100212201100 |
4 | 2311022321031 |
5 | 44124231220 |
6 | 4413533313 |
7 | 1114452432 |
oct | 265127115 |
9 | 108325640 |
10 | 47492685 |
11 | 24898a59 |
12 | 13aa4239 |
13 | 9abb0a6 |
14 | 6443b89 |
15 | 4281d90 |
hex | 2d4ae4d |
47492685 has 24 divisors (see below), whose sum is σ = 86654880. Its totient is φ = 23995872.
The previous prime is 47492659. The next prime is 47492689. The reversal of 47492685 is 58629474.
It is a happy number.
It is not a de Polignac number, because 47492685 - 29 = 47492173 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 47492685.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47492689) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26919 + ... + 28628.
It is an arithmetic number, because the mean of its divisors is an integer number (3610620).
Almost surely, 247492685 is an apocalyptic number.
47492685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
47492685 is a deficient number, since it is larger than the sum of its proper divisors (39162195).
47492685 is a wasteful number, since it uses less digits than its factorization.
47492685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55577 (or 55574 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 47492685 is about 6891.4936697352. The cubic root of 47492685 is about 362.1392304495.
The spelling of 47492685 in words is "forty-seven million, four hundred ninety-two thousand, six hundred eighty-five".
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