Base | Representation |
---|---|
bin | 11111001001100001000010 |
3 | 120100211212210 |
4 | 133021201002 |
5 | 4042243232 |
6 | 451002550 |
7 | 126255645 |
oct | 37114102 |
9 | 16324783 |
10 | 8165442 |
11 | 46778aa |
12 | 2899456 |
13 | 18cb82c |
14 | 1127a5c |
15 | ab45cc |
hex | 7c9842 |
8165442 has 16 divisors (see below), whose sum is σ = 16711200. Its totient is φ = 2658432.
The previous prime is 8165429. The next prime is 8165447. The reversal of 8165442 is 2445618.
It is a plaindrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (8165447) 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, 15567 + ... + 16082.
It is an arithmetic number, because the mean of its divisors is an integer number (1044450).
Almost surely, 28165442 is an apocalyptic number.
8165442 is an abundant number, since it is smaller than the sum of its proper divisors (8545758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8165442 is a wasteful number, since it uses less digits than its factorization.
8165442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31697.
The product of its digits is 7680, while the sum is 30.
The square root of 8165442 is about 2857.5237531821. The cubic root of 8165442 is about 201.3692872016.
The spelling of 8165442 in words is "eight million, one hundred sixty-five thousand, four hundred forty-two".
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