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44280065 = 544319991
BaseRepresentation
bin1010100011101…
…0100100000001
310002022122211102
42220322210001
542313430230
64221024145
71045242254
oct250724401
9102278742
1044280065
1122aa42a5
12129b5055
139234a2b
145c4909b
153d4a045
hex2a3a901

44280065 has 8 divisors (see below), whose sum is σ = 53258688. Its totient is φ = 35342320.

The previous prime is 44280029. The next prime is 44280079. The reversal of 44280065 is 56008244.

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

It is not a de Polignac number, because 44280065 - 212 = 44275969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7781 + ... + 12210.

It is an arithmetic number, because the mean of its divisors is an integer number (6657336).

Almost surely, 244280065 is an apocalyptic number.

It is an amenable number.

44280065 is a deficient number, since it is larger than the sum of its proper divisors (8978623).

44280065 is a wasteful number, since it uses less digits than its factorization.

44280065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20439.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 44280065 is about 6654.3267878877. The cubic root of 44280065 is about 353.7822855074.

The spelling of 44280065 in words is "forty-four million, two hundred eighty thousand, sixty-five".

Divisors: 1 5 443 2215 19991 99955 8856013 44280065