Search a number
-
+
82322388 = 22328327551
BaseRepresentation
bin1001110100000…
…10001111010100
312201220102002100
410322002033110
5132033304023
612100242100
72016504651
oct472021724
9181812070
1082322388
1142518035
12236a0330
1314094495
14ad0cc28
157361c43
hex4e823d4

82322388 has 36 divisors (see below), whose sum is σ = 210607488. Its totient is φ = 27109200.

The previous prime is 82322371. The next prime is 82322389. The reversal of 82322388 is 88322328.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct 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 not an unprimeable number, because it can be changed into a prime (82322389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10788 + ... + 16763.

It is an arithmetic number, because the mean of its divisors is an integer number (5850208).

Almost surely, 282322388 is an apocalyptic number.

It is an amenable number.

82322388 is an abundant number, since it is smaller than the sum of its proper divisors (128285100).

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

82322388 is a wasteful number, since it uses less digits than its factorization.

82322388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27644 (or 27639 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 82322388 is about 9073.1685755308. The cubic root of 82322388 is about 435.0167571824.

The spelling of 82322388 in words is "eighty-two million, three hundred twenty-two thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 83 166 249 332 498 747 996 1494 2988 27551 55102 82653 110204 165306 247959 330612 495918 991836 2286733 4573466 6860199 9146932 13720398 20580597 27440796 41161194 82322388