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79031 is a prime number
BaseRepresentation
bin10011010010110111
311000102002
4103102313
510012111
61405515
7446261
oct232267
9130362
1079031
1154417
123989b
1329c84
1420b31
151863b
hex134b7

79031 has 2 divisors, whose sum is σ = 79032. Its totient is φ = 79030.

The previous prime is 78989. The next prime is 79039. The reversal of 79031 is 13097.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79031 - 210 = 78007 is a prime.

It is a super-2 number, since 2×790312 = 12491797922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 78994 and 79012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79039) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39515 + 39516.

It is an arithmetic number, because the mean of its divisors is an integer number (39516).

279031 is an apocalyptic number.

79031 is a deficient number, since it is larger than the sum of its proper divisors (1).

79031 is an equidigital number, since it uses as much as digits as its factorization.

79031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 79031 is about 281.1245275674. The cubic root of 79031 is about 42.9140160280.

The spelling of 79031 in words is "seventy-nine thousand, thirty-one".