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79806053 is a prime number
BaseRepresentation
bin1001100000110…
…11111001100101
312120011120022202
410300123321211
5130412243203
611530304245
71656224465
oct460337145
9176146282
1079806053
1141059518
1222888085
13136c3022
14a855ba5
157016388
hex4c1be65

79806053 has 2 divisors, whose sum is σ = 79806054. Its totient is φ = 79806052.

The previous prime is 79806031. The next prime is 79806101. The reversal of 79806053 is 35060897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46881409 + 32924644 = 6847^2 + 5738^2 .

It is a cyclic number.

It is not a de Polignac number, because 79806053 - 26 = 79805989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79805998 and 79806016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79806253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39903026 + 39903027.

It is an arithmetic number, because the mean of its divisors is an integer number (39903027).

Almost surely, 279806053 is an apocalyptic number.

It is an amenable number.

79806053 is a deficient number, since it is larger than the sum of its proper divisors (1).

79806053 is an equidigital number, since it uses as much as digits as its factorization.

79806053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 79806053 is about 8933.4233639742. The cubic root of 79806053 is about 430.5384511172.

The spelling of 79806053 in words is "seventy-nine million, eight hundred six thousand, fifty-three".