Base | Representation |
---|---|
bin | 1011010101010… |
… | …0100011011101 |
3 | 10022102212222211 |
4 | 2311110203131 |
5 | 44132013003 |
6 | 4414440421 |
7 | 1115005666 |
oct | 265244335 |
9 | 108385884 |
10 | 47532253 |
11 | 2491575a |
12 | 13b03111 |
13 | 9b030c2 |
14 | 645436d |
15 | 428d96d |
hex | 2d548dd |
47532253 has 4 divisors (see below), whose sum is σ = 47713248. Its totient is φ = 47351260.
The previous prime is 47532239. The next prime is 47532257. The reversal of 47532253 is 35223574.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-47532253 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47532257) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90103 + ... + 90628.
It is an arithmetic number, because the mean of its divisors is an integer number (11928312).
Almost surely, 247532253 is an apocalyptic number.
It is an amenable number.
47532253 is a deficient number, since it is larger than the sum of its proper divisors (180995).
47532253 is a wasteful number, since it uses less digits than its factorization.
47532253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180994.
The product of its digits is 25200, while the sum is 31.
The square root of 47532253 is about 6894.3638575288. The cubic root of 47532253 is about 362.2397732841.
The spelling of 47532253 in words is "forty-seven million, five hundred thirty-two thousand, two hundred fifty-three".
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