Base | Representation |
---|---|
bin | 1011001111100… |
… | …0000011101011 |
3 | 10021201122021202 |
4 | 2303320003223 |
5 | 44032402022 |
6 | 4402354415 |
7 | 1111540301 |
oct | 263700353 |
9 | 107648252 |
10 | 47153387 |
11 | 24687046 |
12 | 1395ba0b |
13 | 99cc818 |
14 | 6396271 |
15 | 4216592 |
hex | 2cf80eb |
47153387 has 12 divisors (see below), whose sum is σ = 49213080. Its totient is φ = 45175680.
The previous prime is 47153347. The next prime is 47153417. The reversal of 47153387 is 78335174.
It is not a de Polignac number, because 47153387 - 28 = 47153131 is a prime.
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 47153387.
It is not an unprimeable number, because it can be changed into a prime (47153317) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133403 + ... + 133755.
It is an arithmetic number, because the mean of its divisors is an integer number (4101090).
Almost surely, 247153387 is an apocalyptic number.
47153387 is a deficient number, since it is larger than the sum of its proper divisors (2059693).
47153387 is a wasteful number, since it uses less digits than its factorization.
47153387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 554 (or 523 counting only the distinct ones).
The product of its digits is 70560, while the sum is 38.
The square root of 47153387 is about 6866.8323847317. The cubic root of 47153387 is about 361.2747682399.
The spelling of 47153387 in words is "forty-seven million, one hundred fifty-three thousand, three hundred eighty-seven".
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