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52752389 is a prime number
BaseRepresentation
bin1100100100111…
…1000000000101
310200021002200012
43021033000011
5102001034024
65122400005
71210250024
oct311170005
9120232605
1052752389
1127860718
1215800005
13ac10141
1470128bb
15497050e
hex324f005

52752389 has 2 divisors, whose sum is σ = 52752390. Its totient is φ = 52752388.

The previous prime is 52752299. The next prime is 52752433. The reversal of 52752389 is 98325725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50908225 + 1844164 = 7135^2 + 1358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52752389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52752289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26376194 + 26376195.

It is an arithmetic number, because the mean of its divisors is an integer number (26376195).

Almost surely, 252752389 is an apocalyptic number.

It is an amenable number.

52752389 is a deficient number, since it is larger than the sum of its proper divisors (1).

52752389 is an equidigital number, since it uses as much as digits as its factorization.

52752389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 52752389 is about 7263.0839868475. The cubic root of 52752389 is about 375.0426949907.

The spelling of 52752389 in words is "fifty-two million, seven hundred fifty-two thousand, three hundred eighty-nine".