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244172025 = 325223291627
BaseRepresentation
bin11101000110111…
…00010011111001
3122000110020001100
432203130103321
51000002001100
640121242013
76023266536
oct1643342371
9560406040
10244172025
11115913069
1269933309
133b781ab6
14245ddd8d
1516682400
hexe8dc4f9

244172025 has 72 divisors (see below), whose sum is σ = 472380480. Its totient is φ = 120193920.

The previous prime is 244172023. The next prime is 244172029. The reversal of 244172025 is 520271442.

It is not a de Polignac number, because 244172025 - 21 = 244172023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244172025.

It is not an unprimeable number, because it can be changed into a prime (244172023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 149262 + ... + 150888.

It is an arithmetic number, because the mean of its divisors is an integer number (6560840).

Almost surely, 2244172025 is an apocalyptic number.

244172025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244172025 is a deficient number, since it is larger than the sum of its proper divisors (228208455).

244172025 is a wasteful number, since it uses less digits than its factorization.

244172025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 244172025 is about 15626.0047676941. The cubic root of 244172025 is about 625.0267935180.

The spelling of 244172025 in words is "two hundred forty-four million, one hundred seventy-two thousand, twenty-five".

Divisors: 1 3 5 9 15 23 25 29 45 69 75 87 115 145 207 225 261 345 435 575 667 725 1035 1305 1627 1725 2001 2175 3335 4881 5175 6003 6525 8135 10005 14643 16675 24405 30015 37421 40675 47183 50025 73215 112263 122025 141549 150075 187105 235915 336789 366075 424647 561315 707745 935525 1085209 1179575 1683945 2123235 2806575 3255627 3538725 5426045 8419725 9766881 10616175 16278135 27130225 48834405 81390675 244172025