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972713 = 7138959
BaseRepresentation
bin11101101011110101001
31211102022102
43231132221
5222111323
632503145
711160620
oct3553651
91742272
10972713
116048a5
123aaab5
13280991
141b46b7
15143328
hexed7a9

972713 has 4 divisors (see below), whose sum is σ = 1111680. Its totient is φ = 833748.

The previous prime is 972701. The next prime is 972721. The reversal of 972713 is 317279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 972713 - 26 = 972649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69473 + ... + 69486.

It is an arithmetic number, because the mean of its divisors is an integer number (277920).

2972713 is an apocalyptic number.

It is an amenable number.

972713 is a deficient number, since it is larger than the sum of its proper divisors (138967).

972713 is a wasteful number, since it uses less digits than its factorization.

972713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138966.

The product of its digits is 2646, while the sum is 29.

The square root of 972713 is about 986.2621355400. The cubic root of 972713 is about 99.0820324742.

The spelling of 972713 in words is "nine hundred seventy-two thousand, seven hundred thirteen".

Divisors: 1 7 138959 972713