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244166225 = 5229615521
BaseRepresentation
bin11101000110110…
…10111001010001
3122000102221002112
432203122321101
51000001304400
640121155105
76023243612
oct1643327121
9560387075
10244166225
11115909776
126992ba95
133b77c274
14245dbc09
1516680835
hexe8dae51

244166225 has 24 divisors (see below), whose sum is σ = 318398520. Its totient is φ = 185472000.

The previous prime is 244166179. The next prime is 244166233. The reversal of 244166225 is 522661442.

It can be written as a sum of positive squares in 12 ways, for example, as 158659216 + 85507009 = 12596^2 + 9247^2 .

It is not a de Polignac number, because 244166225 - 28 = 244165969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244166191 and 244166200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41465 + ... + 46985.

It is an arithmetic number, because the mean of its divisors is an integer number (13266605).

Almost surely, 2244166225 is an apocalyptic number.

244166225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244166225 is a deficient number, since it is larger than the sum of its proper divisors (74232295).

244166225 is a wasteful number, since it uses less digits than its factorization.

244166225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621 (or 5616 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 244166225 is about 15625.8191785263. The cubic root of 244166225 is about 625.0218445698.

The spelling of 244166225 in words is "two hundred forty-four million, one hundred sixty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 29 61 145 305 725 1525 1769 5521 8845 27605 44225 138025 160109 336781 800545 1683905 4002725 8419525 9766649 48833245 244166225