Search a number
-
+
72836064 = 2533712043
BaseRepresentation
bin1000101011101…
…10001111100000
312002001110022000
410111312033200
5122121223224
611121044000
71543045020
oct425661740
9162043260
1072836064
11381288a4
1220486600
1312122682
14995da80
1565db0c9
hex45763e0

72836064 has 96 divisors (see below), whose sum is σ = 242807040. Its totient is φ = 20808576.

The previous prime is 72836059. The next prime is 72836111. The reversal of 72836064 is 46063827.

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 (36) coincides with the sum of the digits of its prime factors.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 12069.

It is an arithmetic number, because the mean of its divisors is an integer number (2529240).

Almost surely, 272836064 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 72836064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121403520).

72836064 is an abundant number, since it is smaller than the sum of its proper divisors (169970976).

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

72836064 is a wasteful number, since it uses less digits than its factorization.

72836064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12069 (or 12055 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 72836064 is about 8534.4047244081. The cubic root of 72836064 is about 417.6208339454.

The spelling of 72836064 in words is "seventy-two million, eight hundred thirty-six thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 504 672 756 864 1008 1512 2016 3024 6048 12043 24086 36129 48172 72258 84301 96344 108387 144516 168602 192688 216774 252903 289032 325161 337204 385376 433548 505806 578064 650322 674408 758709 867096 1011612 1156128 1300644 1348816 1517418 1734192 2023224 2276127 2601288 2697632 3034836 3468384 4046448 4552254 5202576 6069672 8092896 9104508 10405152 12139344 18209016 24278688 36418032 72836064