Search a number
-
+
82162242 = 2336124943
BaseRepresentation
bin1001110010110…
…11001001000010
312201121021102000
410321123021002
5132013142432
612053004430
72015240031
oct471331102
9181537360
1082162242
1142418788
1223623716
1314039616
14acaa718
15732e57c
hex4e5b242

82162242 has 32 divisors (see below), whose sum is σ = 185583360. Its totient is φ = 26937360.

The previous prime is 82162217. The next prime is 82162247. The reversal of 82162242 is 24226128.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (82162247) 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, 9178 + ... + 15765.

It is an arithmetic number, because the mean of its divisors is an integer number (5799480).

Almost surely, 282162242 is an apocalyptic number.

82162242 is an abundant number, since it is smaller than the sum of its proper divisors (103421118).

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

82162242 is a wasteful number, since it uses less digits than its factorization.

82162242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25015 (or 25009 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 82162242 is about 9064.3390271988. The cubic root of 82162242 is about 434.7344871979.

The spelling of 82162242 in words is "eighty-two million, one hundred sixty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 61 122 183 366 549 1098 1647 3294 24943 49886 74829 149658 224487 448974 673461 1346922 1521523 3043046 4564569 9129138 13693707 27387414 41081121 82162242