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244018709 = 1122183519
BaseRepresentation
bin11101000101101…
…10111000010101
3122000011102201222
432202312320111
5444432044314
640114100125
76022060544
oct1642667025
9560142658
10244018709
11115818960
126987a645
133b72a08c
14245a015b
1516651c8e
hexe8b6e15

244018709 has 4 divisors (see below), whose sum is σ = 266202240. Its totient is φ = 221835180.

The previous prime is 244018699. The next prime is 244018721. The reversal of 244018709 is 907810442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244018709 - 224 = 227241493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244018739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11091749 + ... + 11091770.

It is an arithmetic number, because the mean of its divisors is an integer number (66550560).

Almost surely, 2244018709 is an apocalyptic number.

It is an amenable number.

244018709 is a deficient number, since it is larger than the sum of its proper divisors (22183531).

244018709 is a wasteful number, since it uses less digits than its factorization.

244018709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22183530.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 244018709 is about 15621.0982008308. The cubic root of 244018709 is about 624.8959476913.

The spelling of 244018709 in words is "two hundred forty-four million, eighteen thousand, seven hundred nine".

Divisors: 1 11 22183519 244018709