[go: up one dir, main page]

Search a number
-
+
82344381 = 373921161
BaseRepresentation
bin1001110100001…
…11100110111101
312201221112020220
410322013212331
5132040010011
612100531553
72016626040
oct472074675
9181845226
1082344381
1142532609
12236b0bb9
13140a14b2
14ad16c57
157368506
hex4e879bd

82344381 has 8 divisors (see below), whose sum is σ = 125477184. Its totient is φ = 47053920.

The previous prime is 82344349. The next prime is 82344419. The reversal of 82344381 is 18344328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82344381 - 25 = 82344349 is a prime.

It is a super-2 number, since 2×823443812 = 13561194164546322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82344341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960560 + ... + 1960601.

It is an arithmetic number, because the mean of its divisors is an integer number (15684648).

Almost surely, 282344381 is an apocalyptic number.

It is an amenable number.

82344381 is a deficient number, since it is larger than the sum of its proper divisors (43132803).

82344381 is a wasteful number, since it uses less digits than its factorization.

82344381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921171.

The product of its digits is 18432, while the sum is 33.

The square root of 82344381 is about 9074.3804747211. The cubic root of 82344381 is about 435.0554929865.

The spelling of 82344381 in words is "eighty-two million, three hundred forty-four thousand, three hundred eighty-one".

Divisors: 1 3 7 21 3921161 11763483 27448127 82344381