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244793681 = 11199111829
BaseRepresentation
bin11101001011101…
…00000101010001
3122001121210210122
432211310011101
51000131344211
640142440025
76031466126
oct1645640521
9561553718
10244793681
111161a8130
1269b93015
133b93ba42
142472274d
15167566db
hexe974151

244793681 has 8 divisors (see below), whose sum is σ = 268392000. Its totient is φ = 221419440.

The previous prime is 244793677. The next prime is 244793683. The reversal of 244793681 is 186397442.

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

It is not a de Polignac number, because 244793681 - 22 = 244793677 is a prime.

It is a super-2 number, since 2×2447936812 = 119847892515059522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244793683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53726 + ... + 58103.

It is an arithmetic number, because the mean of its divisors is an integer number (33549000).

Almost surely, 2244793681 is an apocalyptic number.

It is an amenable number.

244793681 is a deficient number, since it is larger than the sum of its proper divisors (23598319).

244793681 is a wasteful number, since it uses less digits than its factorization.

244793681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112039.

The product of its digits is 290304, while the sum is 44.

The square root of 244793681 is about 15645.8838356930. The cubic root of 244793681 is about 625.5567783027.

The spelling of 244793681 in words is "two hundred forty-four million, seven hundred ninety-three thousand, six hundred eighty-one".

Divisors: 1 11 199 2189 111829 1230119 22253971 244793681