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14971157 is a prime number
BaseRepresentation
bin111001000111…
…000100010101
31001011121120022
4321013010111
512313034112
61252514525
7241152455
oct71070425
931147508
1014971157
1184a6063
12501ba45
133142496
141db9d65
1514aad72
hexe47115

14971157 has 2 divisors, whose sum is σ = 14971158. Its totient is φ = 14971156.

The previous prime is 14971139. The next prime is 14971207. The reversal of 14971157 is 75117941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14432401 + 538756 = 3799^2 + 734^2 .

It is an emirp because it is prime and its reverse (75117941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14971157 - 210 = 14970133 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 (14971757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7485578 + 7485579.

It is an arithmetic number, because the mean of its divisors is an integer number (7485579).

Almost surely, 214971157 is an apocalyptic number.

It is an amenable number.

14971157 is a deficient number, since it is larger than the sum of its proper divisors (1).

14971157 is an equidigital number, since it uses as much as digits as its factorization.

14971157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 35.

The square root of 14971157 is about 3869.2579391920. The cubic root of 14971157 is about 246.4630327737.

The spelling of 14971157 in words is "fourteen million, nine hundred seventy-one thousand, one hundred fifty-seven".