Search a number
-
+
23073286 = 211536643
BaseRepresentation
bin101100000000…
…1001000000110
31121102020121011
41120001020012
521401321121
62142312434
7400056025
oct130011006
947366534
1023073286
111202a335
12788871a
134a1b242
1430c88bc
15205b7e1
hex1601206

23073286 has 4 divisors (see below), whose sum is σ = 34609932. Its totient is φ = 11536642.

The previous prime is 23073263. The next prime is 23073313. The reversal of 23073286 is 68237032.

It is a semiprime because it is the product of two primes.

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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768320 + ... + 5768323.

It is an arithmetic number, because the mean of its divisors is an integer number (8652483).

Almost surely, 223073286 is an apocalyptic number.

23073286 is a deficient number, since it is larger than the sum of its proper divisors (11536646).

23073286 is a wasteful number, since it uses less digits than its factorization.

23073286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11536645.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 23073286 is about 4803.4660402672. The cubic root of 23073286 is about 284.6884293836.

The spelling of 23073286 in words is "twenty-three million, seventy-three thousand, two hundred eighty-six".

Divisors: 1 2 11536643 23073286