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244353138 = 231710123719
BaseRepresentation
bin11101001000010…
…00100001110010
3122000210102111020
432210020201302
51000023300023
640125200310
76024652551
oct1644104162
9560712436
10244353138
11115a27147
1269a00096
133b816373
1424649d98
15166bade3
hexe908872

244353138 has 32 divisors (see below), whose sum is σ = 522599040. Its totient is φ = 75897600.

The previous prime is 244353113. The next prime is 244353139. The reversal of 244353138 is 831353442.

It is a junction number, because it is equal to n+sod(n) for n = 244353099 and 244353108.

It is not an unprimeable number, because it can be changed into a prime (244353139) 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 15 ways as a sum of consecutive naturals, for example, 1558 + ... + 22161.

It is an arithmetic number, because the mean of its divisors is an integer number (16331220).

Almost surely, 2244353138 is an apocalyptic number.

244353138 is an abundant number, since it is smaller than the sum of its proper divisors (278245902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244353138 is a wasteful number, since it uses less digits than its factorization.

244353138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23842.

The product of its digits is 34560, while the sum is 33.

The square root of 244353138 is about 15631.7989367827. The cubic root of 244353138 is about 625.1812918348.

The spelling of 244353138 in words is "two hundred forty-four million, three hundred fifty-three thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 17 34 51 101 102 202 303 606 1717 3434 5151 10302 23719 47438 71157 142314 403223 806446 1209669 2395619 2419338 4791238 7186857 14373714 40725523 81451046 122176569 244353138