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79752961 is a prime number
BaseRepresentation
bin1001100000011…
…10111100000001
312120001212111101
410300032330001
5130404043321
611525214401
71655613631
oct460167401
9176055441
1079752961
1141022642
1222861401
13136a4b02
14a8406c1
157005791
hex4c0ef01

79752961 has 2 divisors, whose sum is σ = 79752962. Its totient is φ = 79752960.

The previous prime is 79752943. The next prime is 79752979. The reversal of 79752961 is 16925797.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (79752943) and next prime (79752979).

It can be written as a sum of positive squares in only one way, i.e., 64000000 + 15752961 = 8000^2 + 3969^2 .

It is a cyclic number.

It is not a de Polignac number, because 79752961 - 219 = 79228673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79752161) 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, 39876480 + 39876481.

It is an arithmetic number, because the mean of its divisors is an integer number (39876481).

Almost surely, 279752961 is an apocalyptic number.

It is an amenable number.

79752961 is a deficient number, since it is larger than the sum of its proper divisors (1).

79752961 is an equidigital number, since it uses as much as digits as its factorization.

79752961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 46.

The square root of 79752961 is about 8930.4513323796. The cubic root of 79752961 is about 430.4429561960.

The spelling of 79752961 in words is "seventy-nine million, seven hundred fifty-two thousand, nine hundred sixty-one".