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86272992 = 2533137681
BaseRepresentation
bin1010010010001…
…10101111100000
320000100010022000
411021012233200
5134041213432
612321044000
72065210521
oct511065740
9200303260
1086272992
11447761a3
1224a86600
1314b48710
14b65a848
15789257c
hex5246be0

86272992 has 96 divisors (see below), whose sum is σ = 271020960. Its totient is φ = 26542080.

The previous prime is 86272987. The next prime is 86272993. The reversal of 86272992 is 29927268.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86272993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7392 + ... + 15072.

It is an arithmetic number, because the mean of its divisors is an integer number (2823135).

Almost surely, 286272992 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 86272992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135510480).

86272992 is an abundant number, since it is smaller than the sum of its proper divisors (184747968).

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

86272992 is a wasteful number, since it uses less digits than its factorization.

86272992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713 (or 7699 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 86272992 is about 9288.3255756891. The cubic root of 86272992 is about 441.8670525536.

The spelling of 86272992 in words is "eighty-six million, two hundred seventy-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 104 108 117 144 156 208 216 234 288 312 351 416 432 468 624 702 864 936 1248 1404 1872 2808 3744 5616 7681 11232 15362 23043 30724 46086 61448 69129 92172 99853 122896 138258 184344 199706 207387 245792 276516 299559 368688 399412 414774 553032 599118 737376 798824 829548 898677 1106064 1198236 1597648 1659096 1797354 2212128 2396472 2696031 3195296 3318192 3594708 4792944 5392062 6636384 7189416 9585888 10784124 14378832 21568248 28757664 43136496 86272992