Search a number
-
+
23294161 = 112117651
BaseRepresentation
bin101100011011…
…1000011010001
31121211110120201
41120313003101
521430403121
62151135201
7401666002
oct130670321
947743521
1023294161
1112170280
127974501
134a97937
1431451a9
1520a1e91
hex16370d1

23294161 has 4 divisors (see below), whose sum is σ = 25411824. Its totient is φ = 21176500.

The previous prime is 23294143. The next prime is 23294197. The reversal of 23294161 is 16149232.

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.

It is a cyclic number.

It is not a de Polignac number, because 23294161 - 29 = 23293649 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23294861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058815 + ... + 1058836.

It is an arithmetic number, because the mean of its divisors is an integer number (6352956).

Almost surely, 223294161 is an apocalyptic number.

It is an amenable number.

23294161 is a deficient number, since it is larger than the sum of its proper divisors (2117663).

23294161 is a wasteful number, since it uses less digits than its factorization.

23294161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117662.

The product of its digits is 2592, while the sum is 28.

The square root of 23294161 is about 4826.4024904684. The cubic root of 23294161 is about 285.5939638959.

Subtracting from 23294161 its reverse (16149232), we obtain a square (7144929 = 26732).

It can be divided in two parts, 2329 and 4161, that multiplied together give a palindrome (9690969).

The spelling of 23294161 in words is "twenty-three million, two hundred ninety-four thousand, one hundred sixty-one".

Divisors: 1 11 2117651 23294161