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23275 = 527219
BaseRepresentation
bin101101011101011
31011221001
411223223
51221100
6255431
7124600
oct55353
934831
1023275
111653a
1211577
13a795
1486a7
156d6a
hex5aeb

23275 has 18 divisors (see below), whose sum is σ = 35340. Its totient is φ = 15120.

The previous prime is 23269. The next prime is 23279. The reversal of 23275 is 57232.

Multipling 23275 by its sum of digits (19), we get a square (442225 = 6652).

23275 divided by its sum of digits (19) gives a triangular number (1225 = T49).

It can be divided in two parts, 2327 and 5, that added together give a palindrome (2332).

It is a happy number.

It is not a de Polignac number, because 23275 - 211 = 21227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a d-powerful number, because it can be written as 28 + 38 + 214 + 72 + 52 .

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (23279) 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, 1216 + ... + 1234.

223275 is an apocalyptic number.

23275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23275 is a deficient number, since it is larger than the sum of its proper divisors (12065).

23275 is a wasteful number, since it uses less digits than its factorization.

23275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43 (or 31 counting only the distinct ones).

The product of its digits is 420, while the sum is 19.

The square root of 23275 is about 152.5614630239. The cubic root of 23275 is about 28.5515635725.

The spelling of 23275 in words is "twenty-three thousand, two hundred seventy-five".

Divisors: 1 5 7 19 25 35 49 95 133 175 245 475 665 931 1225 3325 4655 23275