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84234449 = 1338916657
BaseRepresentation
bin1010000010101…
…01000011010001
312212111112221102
411001111003101
5133031000244
612205234145
72041660325
oct501250321
9185445842
1084234449
1143603652
1224262955
13145b3890
14b289985
1575dd54e
hex50550d1

84234449 has 8 divisors (see below), whose sum is σ = 90952680. Its totient is φ = 77550336.

The previous prime is 84234433. The next prime is 84234457. The reversal of 84234449 is 94443248.

It can be written as a sum of positive squares in 4 ways, for example, as 14010049 + 70224400 = 3743^2 + 8380^2 .

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 84234449 - 24 = 84234433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84234419) 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, 3272 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (11369085).

Almost surely, 284234449 is an apocalyptic number.

It is an amenable number.

84234449 is a deficient number, since it is larger than the sum of its proper divisors (6718231).

84234449 is a wasteful number, since it uses less digits than its factorization.

84234449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17059.

The product of its digits is 110592, while the sum is 38.

The square root of 84234449 is about 9177.9327193001. The cubic root of 84234449 is about 438.3589854566.

The spelling of 84234449 in words is "eighty-four million, two hundred thirty-four thousand, four hundred forty-nine".

Divisors: 1 13 389 5057 16657 216541 6479573 84234449