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52158947 is a prime number
BaseRepresentation
bin1100011011111…
…0000111100011
310122010221121212
43012332013203
5101323041242
65101540335
71202225621
oct306760743
9118127555
1052158947
1127495875
12155746ab
13aa62ca9
146cda511
1548a4782
hex31be1e3

52158947 has 2 divisors, whose sum is σ = 52158948. Its totient is φ = 52158946.

The previous prime is 52158919. The next prime is 52158959. The reversal of 52158947 is 74985125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52158947 - 210 = 52157923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52158047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26079473 + 26079474.

It is an arithmetic number, because the mean of its divisors is an integer number (26079474).

Almost surely, 252158947 is an apocalyptic number.

52158947 is a deficient number, since it is larger than the sum of its proper divisors (1).

52158947 is an equidigital number, since it uses as much as digits as its factorization.

52158947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 41.

The square root of 52158947 is about 7222.1151333941. The cubic root of 52158947 is about 373.6310310640.

The spelling of 52158947 in words is "fifty-two million, one hundred fifty-eight thousand, nine hundred forty-seven".