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244485917 = 1343437363
BaseRepresentation
bin11101001001010…
…00111100011101
3122001001011121222
432210220330131
51000042022132
640132103125
76026044634
oct1644507435
9561034558
10244485917
11116007985
1269a64aa5
133b861930
142468251b
15166e5412
hexe928f1d

244485917 has 8 divisors (see below), whose sum is σ = 269416224. Its totient is φ = 220430448.

The previous prime is 244485907. The next prime is 244485947. The reversal of 244485917 is 719584442.

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 244485917 - 26 = 244485853 is a prime.

It is a super-2 number, since 2×2444859172 = 119546727222661778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244485907) 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, 218123 + ... + 219240.

It is an arithmetic number, because the mean of its divisors is an integer number (33677028).

Almost surely, 2244485917 is an apocalyptic number.

It is an amenable number.

244485917 is a deficient number, since it is larger than the sum of its proper divisors (24930307).

244485917 is a wasteful number, since it uses less digits than its factorization.

244485917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437419.

The product of its digits is 322560, while the sum is 44.

The square root of 244485917 is about 15636.0454399442. The cubic root of 244485917 is about 625.2945103734.

The spelling of 244485917 in words is "two hundred forty-four million, four hundred eighty-five thousand, nine hundred seventeen".

Divisors: 1 13 43 559 437363 5685719 18806609 244485917