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244492189 = 3720033299
BaseRepresentation
bin11101001001010…
…10011110011101
3122001001111020021
432210222132131
51000042222224
640132152141
76026102134
oct1644523635
9561044207
10244492189
11116011667
1269a68651
133b864746
142468491b
15166e71e4
hexe92a79d

244492189 has 8 divisors (see below), whose sum is σ = 251301600. Its totient is φ = 237693456.

The previous prime is 244492177. The next prime is 244492201. The reversal of 244492189 is 981294442.

It is an interprime number because it is at equal distance from previous prime (244492177) and next prime (244492201).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244492189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244492159) 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, 72462 + ... + 75760.

It is an arithmetic number, because the mean of its divisors is an integer number (31412700).

Almost surely, 2244492189 is an apocalyptic number.

It is an amenable number.

244492189 is a deficient number, since it is larger than the sum of its proper divisors (6809411).

244492189 is a wasteful number, since it uses less digits than its factorization.

244492189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339.

The product of its digits is 165888, while the sum is 43.

The square root of 244492189 is about 15636.2460008789. The cubic root of 244492189 is about 625.2998573939.

The spelling of 244492189 in words is "two hundred forty-four million, four hundred ninety-two thousand, one hundred eighty-nine".

Divisors: 1 37 2003 3299 74111 122063 6607897 244492189