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979097 = 7139871
BaseRepresentation
bin11101111000010011001
31211202001212
43233002121
5222312342
632552505
711215340
oct3570231
91752055
10979097
11609679
123b2735
13283862
141b6b57
15145182
hexef099

979097 has 4 divisors (see below), whose sum is σ = 1118976. Its totient is φ = 839220.

The previous prime is 979093. The next prime is 979103. The reversal of 979097 is 790979.

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, and also an emirpimes, since its reverse is a distinct semiprime: 790979 = 7112997.

It is a cyclic number.

It is not a de Polignac number, because 979097 - 22 = 979093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69929 + ... + 69942.

It is an arithmetic number, because the mean of its divisors is an integer number (279744).

2979097 is an apocalyptic number.

It is an amenable number.

979097 is a deficient number, since it is larger than the sum of its proper divisors (139879).

979097 is a wasteful number, since it uses less digits than its factorization.

979097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139878.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 979097 is about 989.4933046767. The cubic root of 979097 is about 99.2983213194.

The spelling of 979097 in words is "nine hundred seventy-nine thousand, ninety-seven".

Divisors: 1 7 139871 979097