Search a number
-
+
715972297 is a prime number
BaseRepresentation
bin101010101011001…
…101111011001001
31211220020011100111
4222223031323021
52431242103142
6155013434321
723512443535
oct5253157311
91756204314
10715972297
11338169647
1217b93b9a1
13b5442461
146b134bc5
1542cc9e17
hex2aacdec9

715972297 has 2 divisors, whose sum is σ = 715972298. Its totient is φ = 715972296.

The previous prime is 715972273. The next prime is 715972321. The reversal of 715972297 is 792279517.

It is a balanced prime because it is at equal distance from previous prime (715972273) and next prime (715972321).

It can be written as a sum of positive squares in only one way, i.e., 656435641 + 59536656 = 25621^2 + 7716^2 .

It is a cyclic number.

It is not a de Polignac number, because 715972297 - 223 = 707583689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 715972297.

It is not a weakly prime, because it can be changed into another prime (715972207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357986148 + 357986149.

It is an arithmetic number, because the mean of its divisors is an integer number (357986149).

Almost surely, 2715972297 is an apocalyptic number.

It is an amenable number.

715972297 is a deficient number, since it is larger than the sum of its proper divisors (1).

715972297 is an equidigital number, since it uses as much as digits as its factorization.

715972297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 49.

The square root of 715972297 is about 26757.6586606527. The cubic root of 715972297 is about 894.6065484481.

The spelling of 715972297 in words is "seven hundred fifteen million, nine hundred seventy-two thousand, two hundred ninety-seven".