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52388117 is a prime number
BaseRepresentation
bin1100011111011…
…0000100010101
310122120120222122
43013312010111
5101402404432
65110505325
71204202015
oct307660425
9118516878
1052388117
1127631a71
1215665245
13ab133b2
146d59c45
1548ec612
hex31f6115

52388117 has 2 divisors, whose sum is σ = 52388118. Its totient is φ = 52388116.

The previous prime is 52388099. The next prime is 52388173. The reversal of 52388117 is 71188325.

52388117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37442161 + 14945956 = 6119^2 + 3866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52388117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52388177) 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, 26194058 + 26194059.

It is an arithmetic number, because the mean of its divisors is an integer number (26194059).

Almost surely, 252388117 is an apocalyptic number.

It is an amenable number.

52388117 is a deficient number, since it is larger than the sum of its proper divisors (1).

52388117 is an equidigital number, since it uses as much as digits as its factorization.

52388117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 52388117 is about 7237.9635948242. The cubic root of 52388117 is about 374.1774373239.

The spelling of 52388117 in words is "fifty-two million, three hundred eighty-eight thousand, one hundred seventeen".