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84256308 = 22337310687
BaseRepresentation
bin1010000010110…
…10011000110100
312212112122221000
411001122120310
5133032200213
612205523300
72042111133
oct501323064
9185478830
1084256308
1143619014
1224273530
13145c0806
14b29391a
1575e4c73
hex505a634

84256308 has 48 divisors (see below), whose sum is σ = 221455360. Its totient is φ = 27698112.

The previous prime is 84256261. The next prime is 84256349. The reversal of 84256308 is 80365248.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2541 + ... + 13227.

Almost surely, 284256308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84256308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110727680).

84256308 is an abundant number, since it is smaller than the sum of its proper divisors (137199052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84256308 is a wasteful number, since it uses less digits than its factorization.

84256308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10773 (or 10765 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 84256308 is about 9179.1234875668. The cubic root of 84256308 is about 438.3969005078.

The spelling of 84256308 in words is "eighty-four million, two hundred fifty-six thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 73 108 146 219 292 438 657 876 1314 1971 2628 3942 7884 10687 21374 32061 42748 64122 96183 128244 192366 288549 384732 577098 780151 1154196 1560302 2340453 3120604 4680906 7021359 9361812 14042718 21064077 28085436 42128154 84256308