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52157953 is a prime number
BaseRepresentation
bin1100011011110…
…1111000000001
310122010220021001
43012331320001
5101323023303
65101532001
71202223001
oct306757001
9118126231
1052157953
1127495051
1215574001
13aa626c3
146cda001
1548a431d
hex31bde01

52157953 has 2 divisors, whose sum is σ = 52157954. Its totient is φ = 52157952.

The previous prime is 52157939. The next prime is 52157957. The reversal of 52157953 is 35975125.

It is a happy number.

52157953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44715969 + 7441984 = 6687^2 + 2728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52157953 is a prime.

It is a super-2 number, since 2×521579532 = 5440904122300418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52157957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26078976 + 26078977.

It is an arithmetic number, because the mean of its divisors is an integer number (26078977).

Almost surely, 252157953 is an apocalyptic number.

It is an amenable number.

52157953 is a deficient number, since it is larger than the sum of its proper divisors (1).

52157953 is an equidigital number, since it uses as much as digits as its factorization.

52157953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 37.

The square root of 52157953 is about 7222.0463166612. The cubic root of 52157953 is about 373.6286576034.

The spelling of 52157953 in words is "fifty-two million, one hundred fifty-seven thousand, nine hundred fifty-three".