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244313381 = 1319989123
BaseRepresentation
bin11101000111111…
…10110100100101
3122000201101221202
432203332310211
51000021012011
640124252245
76024425624
oct1643766445
9560641852
10244313381
111159aa294
12699a1085
133b801240
14246396bb
15166ae23b
hexe8fed25

244313381 has 8 divisors (see below), whose sum is σ = 276954720. Its totient is φ = 213650352.

The previous prime is 244313369. The next prime is 244313413. The reversal of 244313381 is 183313442.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244313381 - 26 = 244313317 is a prime.

It is a super-2 number, since 2×2443133812 = 119378056271302322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244313351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494315 + ... + 494808.

It is an arithmetic number, because the mean of its divisors is an integer number (34619340).

Almost surely, 2244313381 is an apocalyptic number.

It is an amenable number.

244313381 is a deficient number, since it is larger than the sum of its proper divisors (32641339).

244313381 is a wasteful number, since it uses less digits than its factorization.

244313381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989155.

The product of its digits is 6912, while the sum is 29.

The square root of 244313381 is about 15630.5272143968. The cubic root of 244313381 is about 625.1473836955.

The spelling of 244313381 in words is "two hundred forty-four million, three hundred thirteen thousand, three hundred eighty-one".

Divisors: 1 13 19 247 989123 12858599 18793337 244313381