Base | Representation |
---|---|
bin | 1011010110101… |
… | …0001110111001 |
3 | 10022121101210120 |
4 | 2311222032321 |
5 | 44142333144 |
6 | 4420403453 |
7 | 1115525610 |
oct | 265521671 |
9 | 108541716 |
10 | 47621049 |
11 | 24976443 |
12 | 13b46589 |
13 | 9b34648 |
14 | 6478877 |
15 | 42a9e19 |
hex | 2d6a3b9 |
47621049 has 48 divisors (see below), whose sum is σ = 79395840. Its totient is φ = 24796800.
The previous prime is 47621047. The next prime is 47621051. The reversal of 47621049 is 94012674.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (47621047) and next prime (47621051).
It is not a de Polignac number, because 47621049 - 21 = 47621047 is a prime.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47621047) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 670684 + ... + 670754.
It is an arithmetic number, because the mean of its divisors is an integer number (1654080).
Almost surely, 247621049 is an apocalyptic number.
It is an amenable number.
47621049 is a deficient number, since it is larger than the sum of its proper divisors (31774791).
47621049 is a wasteful number, since it uses less digits than its factorization.
47621049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182 (or 141 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 47621049 is about 6900.8006057268. The cubic root of 47621049 is about 362.4652022087.
The spelling of 47621049 in words is "forty-seven million, six hundred twenty-one thousand, forty-nine".
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