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10000979 = 20034993
BaseRepresentation
bin100110001001…
…101001010011
3200211002202122
4212021221103
510030012404
6554204455
7151002242
oct46115123
920732678
1010000979
11571097a
12342372b
1320c2151
141484959
15d283be
hex989a53

10000979 has 4 divisors (see below), whose sum is σ = 10007976. Its totient is φ = 9993984.

The previous prime is 10000967. The next prime is 10000987. The reversal of 10000979 is 97900001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10000979 - 28 = 10000723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000079) 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, 494 + ... + 4499.

It is an arithmetic number, because the mean of its divisors is an integer number (2501994).

Almost surely, 210000979 is an apocalyptic number.

10000979 is a deficient number, since it is larger than the sum of its proper divisors (6997).

10000979 is an equidigital number, since it uses as much as digits as its factorization.

10000979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 10000979 is about 3162.4324498715. The cubic root of 10000979 is about 215.4504994123.

The spelling of 10000979 in words is "ten million, nine hundred seventy-nine", and thus it is an aban number.

Divisors: 1 2003 4993 10000979