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10230979 = 11930089
BaseRepresentation
bin100111000001…
…110011000011
3201020210021011
4213001303003
510104342404
61003141351
7152650633
oct47016303
921223234
1010230979
115858760
123514857
132172a45
1415046c3
15d71604
hex9c1cc3

10230979 has 4 divisors (see below), whose sum is σ = 11161080. Its totient is φ = 9300880.

The previous prime is 10230977. The next prime is 10230989. The reversal of 10230979 is 97903201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97903201 = 118900291.

It is a cyclic number.

It is not a de Polignac number, because 10230979 - 21 = 10230977 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10230979.

It is not an unprimeable number, because it can be changed into a prime (10230977) 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, 465034 + ... + 465055.

It is an arithmetic number, because the mean of its divisors is an integer number (2790270).

Almost surely, 210230979 is an apocalyptic number.

10230979 is a deficient number, since it is larger than the sum of its proper divisors (930101).

10230979 is an equidigital number, since it uses as much as digits as its factorization.

10230979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930100.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 10230979 is about 3198.5901581791. The cubic root of 10230979 is about 217.0896229853.

The spelling of 10230979 in words is "ten million, two hundred thirty thousand, nine hundred seventy-nine".

Divisors: 1 11 930089 10230979