Search a number
-
+
23057233 = 29795077
BaseRepresentation
bin101011111110…
…1001101010001
31121101102120121
41113331031101
521400312413
62142110241
7366661153
oct127751521
947342517
1023057233
1112019271
12787b381
134a13b44
1430c2ad3
152056b8d
hex15fd351

23057233 has 4 divisors (see below), whose sum is σ = 23852340. Its totient is φ = 22262128.

The previous prime is 23057227. The next prime is 23057239. The reversal of 23057233 is 33275032.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (23057227) and next prime (23057239).

It can be written as a sum of positive squares in 2 ways, for example, as 5349969 + 17707264 = 2313^2 + 4208^2 .

It is a cyclic number.

It is not a de Polignac number, because 23057233 - 29 = 23056721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23057198 and 23057207.

It is not an unprimeable number, because it can be changed into a prime (23057239) 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, 397510 + ... + 397567.

It is an arithmetic number, because the mean of its divisors is an integer number (5963085).

Almost surely, 223057233 is an apocalyptic number.

It is an amenable number.

23057233 is a deficient number, since it is larger than the sum of its proper divisors (795107).

23057233 is an equidigital number, since it uses as much as digits as its factorization.

23057233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795106.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 23057233 is about 4801.7947686256. The cubic root of 23057233 is about 284.6223910564.

The spelling of 23057233 in words is "twenty-three million, fifty-seven thousand, two hundred thirty-three".

Divisors: 1 29 795077 23057233