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717490139 is a prime number
BaseRepresentation
bin101010110001000…
…000011111011011
31212000002021102212
4222301000133123
52432134141024
6155110145335
723531364662
oct5261003733
91760067385
10717490139
11339005a63
1218035224b
13b58542a2
146b40bdd9
1542ec9a0e
hex2ac407db

717490139 has 2 divisors, whose sum is σ = 717490140. Its totient is φ = 717490138.

The previous prime is 717490127. The next prime is 717490177. The reversal of 717490139 is 931094717.

717490139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 717490139 - 220 = 716441563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 717490096 and 717490105.

It is not a weakly prime, because it can be changed into another prime (717490439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358745069 + 358745070.

It is an arithmetic number, because the mean of its divisors is an integer number (358745070).

Almost surely, 2717490139 is an apocalyptic number.

717490139 is a deficient number, since it is larger than the sum of its proper divisors (1).

717490139 is an equidigital number, since it uses as much as digits as its factorization.

717490139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 717490139 is about 26786.0064025976. The cubic root of 717490139 is about 895.2382828400.

The spelling of 717490139 in words is "seven hundred seventeen million, four hundred ninety thousand, one hundred thirty-nine".