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84258331 = 196616709
BaseRepresentation
bin1010000010110…
…10111000011011
312212112202200221
411001122320123
5133032231311
612205540511
72042120053
oct501327033
9185482627
1084258331
114361a593
1224274737
13145c1701
14b294563
1575e5671
hex505ae1b

84258331 has 8 divisors (see below), whose sum is σ = 88840400. Its totient is φ = 79691040.

The previous prime is 84258323. The next prime is 84258359. The reversal of 84258331 is 13385248.

It is a happy number.

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 84258331 - 23 = 84258323 is a prime.

It is a super-2 number, since 2×842583312 = 14198932685811122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84258631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9205 + ... + 15913.

It is an arithmetic number, because the mean of its divisors is an integer number (11105050).

Almost surely, 284258331 is an apocalyptic number.

84258331 is a deficient number, since it is larger than the sum of its proper divisors (4582069).

84258331 is a wasteful number, since it uses less digits than its factorization.

84258331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389.

The product of its digits is 23040, while the sum is 34.

The square root of 84258331 is about 9179.2336826121. The cubic root of 84258331 is about 438.4004091267.

The spelling of 84258331 in words is "eighty-four million, two hundred fifty-eight thousand, three hundred thirty-one".

Divisors: 1 19 661 6709 12559 127471 4434649 84258331