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52858931 = 192782049
BaseRepresentation
bin1100100110100…
…1000000110011
310200110111211012
43021221000303
5102012441211
65124541135
71211202446
oct311510063
9120414735
1052858931
1127923774
12158517ab
13ac49798
14703d65d
154991d8b
hex3269033

52858931 has 4 divisors (see below), whose sum is σ = 55641000. Its totient is φ = 50076864.

The previous prime is 52858921. The next prime is 52858943. The reversal of 52858931 is 13985825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52858931 - 218 = 52596787 is a prime.

It is a super-2 number, since 2×528589312 = 5588133172925522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52858921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391006 + ... + 1391043.

It is an arithmetic number, because the mean of its divisors is an integer number (13910250).

Almost surely, 252858931 is an apocalyptic number.

52858931 is a deficient number, since it is larger than the sum of its proper divisors (2782069).

52858931 is a wasteful number, since it uses less digits than its factorization.

52858931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782068.

The product of its digits is 86400, while the sum is 41.

The square root of 52858931 is about 7270.4147749630. The cubic root of 52858931 is about 375.2950117059.

The spelling of 52858931 in words is "fifty-two million, eight hundred fifty-eight thousand, nine hundred thirty-one".

Divisors: 1 19 2782049 52858931