Search a number
-
+
23023228 = 2222512557
BaseRepresentation
bin101011111010…
…0111001111100
31121022200221011
41113310321330
521343220403
62141245004
7366460054
oct127647174
947280834
1023023228
1111aa5768
127863764
134a01517
1430b4564
15204ba6d
hex15f4e7c

23023228 has 12 divisors (see below), whose sum is σ = 40324312. Its totient is φ = 11502000.

The previous prime is 23023223. The next prime is 23023237. The reversal of 23023228 is 82232032.

It is a junction number, because it is equal to n+sod(n) for n = 23023199 and 23023208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023223) 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, 7726 + ... + 10282.

Almost surely, 223023228 is an apocalyptic number.

It is an amenable number.

23023228 is a deficient number, since it is larger than the sum of its proper divisors (17301084).

23023228 is a wasteful number, since it uses less digits than its factorization.

23023228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23023228 is about 4798.2525986030. The cubic root of 23023228 is about 284.4824010537.

The spelling of 23023228 in words is "twenty-three million, twenty-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 2251 2557 4502 5114 9004 10228 5755807 11511614 23023228