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84444449 = 833373019
BaseRepresentation
bin1010000100010…
…00010100100001
312212220020000012
411002020110201
5133104210244
612213534305
72043523505
oct502102441
9185806005
1084444449
1143737401
1224344395
131465833b
14b302305
15763089e
hex5088521

84444449 has 8 divisors (see below), whose sum is σ = 85743840. Its totient is φ = 83151936.

The previous prime is 84444439. The next prime is 84444463. The reversal of 84444449 is 94444448.

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 84444449 - 212 = 84440353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84444439) 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, 26462 + ... + 29480.

It is an arithmetic number, because the mean of its divisors is an integer number (10717980).

Almost surely, 284444449 is an apocalyptic number.

It is an amenable number.

84444449 is a deficient number, since it is larger than the sum of its proper divisors (1299391).

84444449 is a wasteful number, since it uses less digits than its factorization.

84444449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439.

The product of its digits is 294912, while the sum is 41.

The square root of 84444449 is about 9189.3660825979. The cubic root of 84444449 is about 438.7229655721.

Subtracting 84444449 from its reverse (94444448), we obtain a palindrome (9999999).

The spelling of 84444449 in words is "eighty-four million, four hundred forty-four thousand, four hundred forty-nine".

Divisors: 1 83 337 3019 27971 250577 1017403 84444449