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244155425 = 5279181683
BaseRepresentation
bin11101000110110…
…00010000100001
3122000102101021112
432203120100201
51000000433200
640121033105
76023200253
oct1643302041
9560371245
10244155425
11115901648
1269925795
133b777387
14245d7cd3
151667c535
hexe8d8421

244155425 has 24 divisors (see below), whose sum is σ = 308730240. Its totient is φ = 191505600.

The previous prime is 244155421. The next prime is 244155427. The reversal of 244155425 is 524551442.

It is not a de Polignac number, because 244155425 - 22 = 244155421 is a prime.

It is a super-2 number, since 2×2441554252 = 119223743113861250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244155391 and 244155400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244155421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357134 + ... + 357816.

It is an arithmetic number, because the mean of its divisors is an integer number (12863760).

Almost surely, 2244155425 is an apocalyptic number.

244155425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244155425 is a deficient number, since it is larger than the sum of its proper divisors (64574815).

244155425 is a wasteful number, since it uses less digits than its factorization.

244155425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 948 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 244155425 is about 15625.4735928227. The cubic root of 244155425 is about 625.0126290781.

The spelling of 244155425 in words is "two hundred forty-four million, one hundred fifty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 79 181 395 683 905 1975 3415 4525 14299 17075 53957 71495 123623 269785 357475 618115 1348925 3090575 9766217 48831085 244155425