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79480853 is a prime number
BaseRepresentation
bin1001011110011…
…00100000010101
312112120001020022
410233030200111
5130321341403
611515314525
71653401414
oct457144025
9175501208
1079480853
1140957161
122274ba45
131360acba
14a7ad47b
156e9ed38
hex4bcc815

79480853 has 2 divisors, whose sum is σ = 79480854. Its totient is φ = 79480852.

The previous prime is 79480829. The next prime is 79480861. The reversal of 79480853 is 35808497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68840209 + 10640644 = 8297^2 + 3262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-79480853 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 (79480153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39740426 + 39740427.

It is an arithmetic number, because the mean of its divisors is an integer number (39740427).

Almost surely, 279480853 is an apocalyptic number.

It is an amenable number.

79480853 is a deficient number, since it is larger than the sum of its proper divisors (1).

79480853 is an equidigital number, since it uses as much as digits as its factorization.

79480853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 79480853 is about 8915.2034749634. The cubic root of 79480853 is about 429.9528576405.

The spelling of 79480853 in words is "seventy-nine million, four hundred eighty thousand, eight hundred fifty-three".