Search a number
-
+
23228325 = 3252103237
BaseRepresentation
bin101100010011…
…0111110100101
31121201010021100
41120212332211
521421301300
62145510313
7401303031
oct130467645
947633240
1023228325
111212586a
127942399
134a73993
1431291c1
15208c700
hex1626fa5

23228325 has 18 divisors (see below), whose sum is σ = 41604914. Its totient is φ = 12388320.

The previous prime is 23228323. The next prime is 23228327. The reversal of 23228325 is 52382232.

It is an interprime number because it is at equal distance from previous prime (23228323) and next prime (23228327).

It can be written as a sum of positive squares in 3 ways, for example, as 7403841 + 15824484 = 2721^2 + 3978^2 .

It is not a de Polignac number, because 23228325 - 21 = 23228323 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23228323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51394 + ... + 51843.

Almost surely, 223228325 is an apocalyptic number.

23228325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23228325 is a deficient number, since it is larger than the sum of its proper divisors (18376589).

23228325 is a wasteful number, since it uses less digits than its factorization.

23228325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103253 (or 103245 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 23228325 is about 4819.5772636197. The cubic root of 23228325 is about 285.3246531203.

The spelling of 23228325 in words is "twenty-three million, two hundred twenty-eight thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 103237 309711 516185 929133 1548555 2580925 4645665 7742775 23228325