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84444053 = 671260359
BaseRepresentation
bin1010000100010…
…00001110010101
312212220012110112
411002020032111
5133104202203
612213532405
72043522401
oct502101625
9185805415
1084444053
1143737081
1224344105
13146580c5
14b302101
1576306d8
hex5088395

84444053 has 4 divisors (see below), whose sum is σ = 85704480. Its totient is φ = 83183628.

The previous prime is 84444047. The next prime is 84444077. The reversal of 84444053 is 35044448.

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 84444053 - 28 = 84443797 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 (84444043) 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, 630113 + ... + 630246.

It is an arithmetic number, because the mean of its divisors is an integer number (21426120).

Almost surely, 284444053 is an apocalyptic number.

It is an amenable number.

84444053 is a deficient number, since it is larger than the sum of its proper divisors (1260427).

84444053 is a wasteful number, since it uses less digits than its factorization.

84444053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260426.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 84444053 is about 9189.3445359286. The cubic root of 84444053 is about 438.7222797778.

The spelling of 84444053 in words is "eighty-four million, four hundred forty-four thousand, fifty-three".

Divisors: 1 67 1260359 84444053