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244495321 = 71071971657
BaseRepresentation
bin11101001001010…
…11001111011001
3122001001122112021
432210223033121
51000042322241
640132214441
76026114230
oct1644531731
9561048467
10244495321
11116013a54
1269a6a421
133b865cb5
1424685b17
15166e80d1
hexe92b3d9

244495321 has 16 divisors (see below), whose sum is σ = 283637376. Its totient is φ = 206430336.

The previous prime is 244495319. The next prime is 244495331. The reversal of 244495321 is 123594442.

It is not a de Polignac number, because 244495321 - 21 = 244495319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244495331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146725 + ... + 148381.

It is an arithmetic number, because the mean of its divisors is an integer number (17727336).

Almost surely, 2244495321 is an apocalyptic number.

It is an amenable number.

244495321 is a deficient number, since it is larger than the sum of its proper divisors (39142055).

244495321 is a wasteful number, since it uses less digits than its factorization.

244495321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968.

The product of its digits is 34560, while the sum is 34.

The square root of 244495321 is about 15636.3461524744. The cubic root of 244495321 is about 625.3025274598.

The spelling of 244495321 in words is "two hundred forty-four million, four hundred ninety-five thousand, three hundred twenty-one".

Divisors: 1 7 107 197 749 1379 1657 11599 21079 147553 177299 326429 1241093 2285003 34927903 244495321