Base | Representation |
---|---|
bin | 1100011010001… |
… | …0111100011011 |
3 | 10121221021221111 |
4 | 3012202330123 |
5 | 101311011033 |
6 | 5055321151 |
7 | 1201253254 |
oct | 306427433 |
9 | 117837844 |
10 | 52047643 |
11 | 2741a18a |
12 | 155201b7 |
13 | aa2442b |
14 | 6cabb2b |
15 | 48817cd |
hex | 31a2f1b |
52047643 has 8 divisors (see below), whose sum is σ = 55336608. Its totient is φ = 48844224.
The previous prime is 52047629. The next prime is 52047647. The reversal of 52047643 is 34674025.
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 52047643 - 213 = 52039451 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52047647) 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, 20130 + ... + 22567.
It is an arithmetic number, because the mean of its divisors is an integer number (6917076).
Almost surely, 252047643 is an apocalyptic number.
52047643 is a gapful number since it is divisible by the number (53) formed by its first and last digit.
52047643 is a deficient number, since it is larger than the sum of its proper divisors (3288965).
52047643 is a wasteful number, since it uses less digits than its factorization.
52047643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42773.
The product of its (nonzero) digits is 20160, while the sum is 31.
The square root of 52047643 is about 7214.4052422913. The cubic root of 52047643 is about 373.3650732120.
The spelling of 52047643 in words is "fifty-two million, forty-seven thousand, six hundred forty-three".
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