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52157023 is a prime number
BaseRepresentation
bin1100011011110…
…1101001011111
310122010211222121
43012331221133
5101323011043
65101523411
71202220202
oct306755137
9118124877
1052157023
1127494386
1215573567
13aa62159
146cd9939
1548a3ded
hex31bda5f

52157023 has 2 divisors, whose sum is σ = 52157024. Its totient is φ = 52157022.

The previous prime is 52156987. The next prime is 52157029. The reversal of 52157023 is 32075125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52157023 - 217 = 52025951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52157029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26078511 + 26078512.

It is an arithmetic number, because the mean of its divisors is an integer number (26078512).

Almost surely, 252157023 is an apocalyptic number.

52157023 is a deficient number, since it is larger than the sum of its proper divisors (1).

52157023 is an equidigital number, since it uses as much as digits as its factorization.

52157023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 52157023 is about 7221.9819301906. The cubic root of 52157023 is about 373.6264369340.

The spelling of 52157023 in words is "fifty-two million, one hundred fifty-seven thousand, twenty-three".