Search a number
-
+
23079385 = 572232957
BaseRepresentation
bin101100000001…
…0100111011001
31121102112222001
41120002213121
521402020020
62142401001
7400112560
oct130024731
947375861
1023079385
111203397a
127890161
134a20c54
1430cabd7
15205d50a
hex16029d9

23079385 has 16 divisors (see below), whose sum is σ = 31804416. Its totient is φ = 15749568.

The previous prime is 23079383. The next prime is 23079401. The reversal of 23079385 is 58397032.

It is a cyclic number.

It is not a de Polignac number, because 23079385 - 21 = 23079383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23079383) 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 15 ways as a sum of consecutive naturals, for example, 6327 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (1987776).

Almost surely, 223079385 is an apocalyptic number.

It is an amenable number.

23079385 is a deficient number, since it is larger than the sum of its proper divisors (8725031).

23079385 is a wasteful number, since it uses less digits than its factorization.

23079385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 23079385 is about 4804.1008523968. The cubic root of 23079385 is about 284.7135112289.

The spelling of 23079385 in words is "twenty-three million, seventy-nine thousand, three hundred eighty-five".

Divisors: 1 5 7 35 223 1115 1561 2957 7805 14785 20699 103495 659411 3297055 4615877 23079385