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244398644 = 22723379501
BaseRepresentation
bin11101001000100…
…11101000110100
3122000212201220122
432210103220310
51000031224034
640130151112
76025232330
oct1644235064
9560781818
10244398644
11115a58356
1269a22498
133b830ca9
142465c7c0
15166c962e
hexe913a34

244398644 has 24 divisors (see below), whose sum is σ = 510050688. Its totient is φ = 100188000.

The previous prime is 244398643. The next prime is 244398677. The reversal of 244398644 is 446893442.

It is a junction number, because it is equal to n+sod(n) for n = 244398595 and 244398604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244398641) 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, 189107 + ... + 190394.

It is an arithmetic number, because the mean of its divisors is an integer number (21252112).

Almost surely, 2244398644 is an apocalyptic number.

It is an amenable number.

244398644 is an abundant number, since it is smaller than the sum of its proper divisors (265652044).

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

244398644 is a wasteful number, since it uses less digits than its factorization.

244398644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379535 (or 379533 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The square root of 244398644 is about 15633.2544276616. The cubic root of 244398644 is about 625.2200986947.

The spelling of 244398644 in words is "two hundred forty-four million, three hundred ninety-eight thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 379501 759002 1518004 2656507 5313014 8728523 10626028 17457046 34914092 61099661 122199322 244398644