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26975057 is a prime number
BaseRepresentation
bin110011011100…
…1101101010001
31212202110211012
41212321231101
523401200212
62402100305
7445166324
oct146715521
955673735
1026975057
111425483a
12904a695
135786195
1438227bb
15257c922
hex19b9b51

26975057 has 2 divisors, whose sum is σ = 26975058. Its totient is φ = 26975056.

The previous prime is 26975027. The next prime is 26975059. The reversal of 26975057 is 75057962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13608721 + 13366336 = 3689^2 + 3656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26975057 is a prime.

Together with 26975059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26975059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13487528 + 13487529.

It is an arithmetic number, because the mean of its divisors is an integer number (13487529).

Almost surely, 226975057 is an apocalyptic number.

It is an amenable number.

26975057 is a deficient number, since it is larger than the sum of its proper divisors (1).

26975057 is an equidigital number, since it uses as much as digits as its factorization.

26975057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 26975057 is about 5193.7517268349. The cubic root of 26975057 is about 299.9075900561.

The spelling of 26975057 in words is "twenty-six million, nine hundred seventy-five thousand, fifty-seven".