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52839881 is a prime number
BaseRepresentation
bin1100100110010…
…0010111001001
310200102112200122
43021210113021
5102011334011
65124313025
71211063063
oct311442711
9120375618
1052839881
1127910426
1215842775
13ac40c03
147036733
15498b3db
hex32645c9

52839881 has 2 divisors, whose sum is σ = 52839882. Its totient is φ = 52839880.

The previous prime is 52839823. The next prime is 52839889. The reversal of 52839881 is 18893825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42055225 + 10784656 = 6485^2 + 3284^2 .

It is a cyclic number.

It is not a de Polignac number, because 52839881 - 214 = 52823497 is a prime.

It is a super-2 number, since 2×528398812 = 5584106048188322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52839889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26419940 + 26419941.

It is an arithmetic number, because the mean of its divisors is an integer number (26419941).

Almost surely, 252839881 is an apocalyptic number.

It is an amenable number.

52839881 is a deficient number, since it is larger than the sum of its proper divisors (1).

52839881 is an equidigital number, since it uses as much as digits as its factorization.

52839881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 44.

The square root of 52839881 is about 7269.1045528318. The cubic root of 52839881 is about 375.2499216970.

The spelling of 52839881 in words is "fifty-two million, eight hundred thirty-nine thousand, eight hundred eighty-one".