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244981393 = 594619007
BaseRepresentation
bin11101001101000…
…01111010010001
3122001222100021221
432212201322101
51000203401033
640150445041
76033210316
oct1646417221
9561870257
10244981393
11116316168
126a063781
133b9a6307
1424770d0d
151679212d
hexe9a1e91

244981393 has 8 divisors (see below), whose sum is σ = 249701760. Its totient is φ = 240280080.

The previous prime is 244981391. The next prime is 244981409. The reversal of 244981393 is 393189442.

244981393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 244981393 - 21 = 244981391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244981391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22696 + ... + 31702.

It is an arithmetic number, because the mean of its divisors is an integer number (31212720).

Almost surely, 2244981393 is an apocalyptic number.

It is an amenable number.

244981393 is a deficient number, since it is larger than the sum of its proper divisors (4720367).

244981393 is an equidigital number, since it uses as much as digits as its factorization.

244981393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9527.

The product of its digits is 186624, while the sum is 43.

The square root of 244981393 is about 15651.8814524005. The cubic root of 244981393 is about 625.7166333446.

The spelling of 244981393 in words is "two hundred forty-four million, nine hundred eighty-one thousand, three hundred ninety-three".

Divisors: 1 59 461 9007 27199 531413 4152227 244981393