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715249 is a prime number
BaseRepresentation
bin10101110100111110001
31100100010201
42232213301
5140341444
623155201
76036163
oct2564761
91310121
10715249
11449417
122a5b01
131c0732
14148933
15e1dd4
hexae9f1

715249 has 2 divisors, whose sum is σ = 715250. Its totient is φ = 715248.

The previous prime is 715243. The next prime is 715259. The reversal of 715249 is 942517.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 42849 = 820^2 + 207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-715249 is a prime.

It is a super-2 number, since 2×7152492 = 1023162264002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357624 + 357625.

It is an arithmetic number, because the mean of its divisors is an integer number (357625).

2715249 is an apocalyptic number.

It is an amenable number.

715249 is a deficient number, since it is larger than the sum of its proper divisors (1).

715249 is an equidigital number, since it uses as much as digits as its factorization.

715249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 715249 is about 845.7239502344. The cubic root of 715249 is about 89.4305194027.

The spelling of 715249 in words is "seven hundred fifteen thousand, two hundred forty-nine".