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23627225 = 52945089
BaseRepresentation
bin101101000100…
…0010111011001
31122110101110102
41122020113121
522022032400
62202225145
7404554016
oct132102731
948411412
1023627225
1112378536
127ab51b5
134b8340b
1431d070d
15211a9d5
hex16885d9

23627225 has 6 divisors (see below), whose sum is σ = 29297790. Its totient is φ = 18901760.

The previous prime is 23627221. The next prime is 23627231. The reversal of 23627225 is 52272632.

It can be written as a sum of positive squares in 3 ways, for example, as 6255001 + 17372224 = 2501^2 + 4168^2 .

It is not a de Polignac number, because 23627225 - 22 = 23627221 is a prime.

It is a super-2 number, since 2×236272252 = 1116491522401250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23627221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472520 + ... + 472569.

It is an arithmetic number, because the mean of its divisors is an integer number (4882965).

Almost surely, 223627225 is an apocalyptic number.

23627225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23627225 is a deficient number, since it is larger than the sum of its proper divisors (5670565).

23627225 is an equidigital number, since it uses as much as digits as its factorization.

23627225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945099 (or 945094 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 23627225 is about 4860.7844017195. The cubic root of 23627225 is about 286.9486851159.

Adding to 23627225 its reverse (52272632), we get a palindrome (75899857).

The spelling of 23627225 in words is "twenty-three million, six hundred twenty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 945089 4725445 23627225