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244888939 = 7317319391
BaseRepresentation
bin11101001100010…
…11010101101011
3122001210122110201
432212023111223
51000142421224
640144453031
76032343631
oct1646132553
9561718421
10244888939
11116262759
126a01a177
133b9731c9
1424749351
1516774a44
hexe98b56b

244888939 has 8 divisors (see below), whose sum is σ = 249691392. Its totient is φ = 240125760.

The previous prime is 244888937. The next prime is 244888951. The reversal of 244888939 is 939888442.

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 244888939 - 21 = 244888937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244888939.

It is not an unprimeable number, because it can be changed into a prime (244888937) 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, 2934 + ... + 22324.

It is an arithmetic number, because the mean of its divisors is an integer number (31211424).

Almost surely, 2244888939 is an apocalyptic number.

244888939 is a deficient number, since it is larger than the sum of its proper divisors (4802453).

244888939 is a wasteful number, since it uses less digits than its factorization.

244888939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637.

The product of its digits is 3981312, while the sum is 55.

The square root of 244888939 is about 15648.9277268444. The cubic root of 244888939 is about 625.6379099719.

The spelling of 244888939 in words is "two hundred forty-four million, eight hundred eighty-eight thousand, nine hundred thirty-nine".

Divisors: 1 73 173 12629 19391 1415543 3354643 244888939