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52823893 = 232296691
BaseRepresentation
bin1100100110000…
…0011101010101
310200101201202111
43021200131111
5102010331033
65124111021
71210665343
oct311403525
9120351674
1052823893
11278aa411
1215835471
13ac36855
147030993
1549867cd
hex3260755

52823893 has 4 divisors (see below), whose sum is σ = 55120608. Its totient is φ = 50527180.

The previous prime is 52823891. The next prime is 52823917. The reversal of 52823893 is 39832825.

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 not a de Polignac number, because 52823893 - 21 = 52823891 is a prime.

It is a Smith number, since the sum of its digits (40) 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 (52823891) 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, 1148323 + ... + 1148368.

It is an arithmetic number, because the mean of its divisors is an integer number (13780152).

Almost surely, 252823893 is an apocalyptic number.

It is an amenable number.

52823893 is a deficient number, since it is larger than the sum of its proper divisors (2296715).

52823893 is a wasteful number, since it uses less digits than its factorization.

52823893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296714.

The product of its digits is 103680, while the sum is 40.

The square root of 52823893 is about 7268.0047468339. The cubic root of 52823893 is about 375.2120708614.

The spelling of 52823893 in words is "fifty-two million, eight hundred twenty-three thousand, eight hundred ninety-three".

Divisors: 1 23 2296691 52823893