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79132897 is a prime number
BaseRepresentation
bin1001011011101…
…11100011100001
312111220100221001
410231313203201
5130224223042
611504032001
71650422104
oct455674341
9174810831
1079132897
1140739798
1222602601
13135187cc
14a71c73b
156e31bb7
hex4b778e1

79132897 has 2 divisors, whose sum is σ = 79132898. Its totient is φ = 79132896.

The previous prime is 79132873. The next prime is 79132901. The reversal of 79132897 is 79823197.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75411856 + 3721041 = 8684^2 + 1929^2 .

It is a cyclic number.

It is not a de Polignac number, because 79132897 - 215 = 79100129 is a prime.

It is a super-2 number, since 2×791328972 = 12524030775225218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79132847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39566448 + 39566449.

It is an arithmetic number, because the mean of its divisors is an integer number (39566449).

Almost surely, 279132897 is an apocalyptic number.

It is an amenable number.

79132897 is a deficient number, since it is larger than the sum of its proper divisors (1).

79132897 is an equidigital number, since it uses as much as digits as its factorization.

79132897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 46.

The square root of 79132897 is about 8895.6673161714. The cubic root of 79132897 is about 429.3245154278.

The spelling of 79132897 in words is "seventy-nine million, one hundred thirty-two thousand, eight hundred ninety-seven".