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52830881 is a prime number
BaseRepresentation
bin1100100110001…
…0001010100001
310200102002100022
43021202022201
5102011042011
65124203225
71211024615
oct311421241
9120362308
1052830881
1127904694
1215839515
13ac39a9c
147033345
1549888db
hex32622a1

52830881 has 2 divisors, whose sum is σ = 52830882. Its totient is φ = 52830880.

The previous prime is 52830853. The next prime is 52830889. The reversal of 52830881 is 18803825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51609856 + 1221025 = 7184^2 + 1105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52830881 is a prime.

It is a super-2 number, since 2×528308812 = 5582203974472322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52830889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26415440 + 26415441.

It is an arithmetic number, because the mean of its divisors is an integer number (26415441).

Almost surely, 252830881 is an apocalyptic number.

It is an amenable number.

52830881 is a deficient number, since it is larger than the sum of its proper divisors (1).

52830881 is an equidigital number, since it uses as much as digits as its factorization.

52830881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 52830881 is about 7268.4854681013. The cubic root of 52830881 is about 375.2286155611.

The spelling of 52830881 in words is "fifty-two million, eight hundred thirty thousand, eight hundred eighty-one".