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244666225 = 5219151239
BaseRepresentation
bin11101001010101…
…00111101110001
3122001101022222001
432211110331301
51000113304400
640140014001
76030425416
oct1645247561
9561338861
10244666225
111161203a1
1269b31301
133b8c5a1b
14246cc10d
151672da6a
hexe954f71

244666225 has 12 divisors (see below), whose sum is σ = 304980480. Its totient is φ = 194704400.

The previous prime is 244666223. The next prime is 244666231. The reversal of 244666225 is 522666442.

It is not a de Polignac number, because 244666225 - 21 = 244666223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244666223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20845 + ... + 30394.

It is an arithmetic number, because the mean of its divisors is an integer number (25415040).

Almost surely, 2244666225 is an apocalyptic number.

244666225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244666225 is a deficient number, since it is larger than the sum of its proper divisors (60314255).

244666225 is a wasteful number, since it uses less digits than its factorization.

244666225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51440 (or 51435 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 244666225 is about 15641.8101573955. The cubic root of 244666225 is about 625.4481905236.

The spelling of 244666225 in words is "two hundred forty-four million, six hundred sixty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 191 955 4775 51239 256195 1280975 9786649 48933245 244666225