Base | Representation |
---|---|
bin | 11110110001101000111010 |
3 | 120011212201120 |
4 | 132301220322 |
5 | 4031131032 |
6 | 444530110 |
7 | 125400552 |
oct | 36615072 |
9 | 16155646 |
10 | 8067642 |
11 | 4610380 |
12 | 2850936 |
13 | 189616b |
14 | 1100162 |
15 | a9562c |
hex | 7b1a3a |
8067642 has 32 divisors (see below), whose sum is σ = 17708544. Its totient is φ = 2430000.
The previous prime is 8067629. The next prime is 8067643. The reversal of 8067642 is 2467608.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (8067643) by changing a digit.
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, 16323 + ... + 16809.
It is an arithmetic number, because the mean of its divisors is an integer number (553392).
Almost surely, 28067642 is an apocalyptic number.
8067642 is an abundant number, since it is smaller than the sum of its proper divisors (9640902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8067642 is a wasteful number, since it uses less digits than its factorization.
8067642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 754.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 8067642 is about 2840.3594842907. The cubic root of 8067642 is about 200.5621020597.
It can be divided in two parts, 806 and 7642, that added together give a palindrome (8448).
The spelling of 8067642 in words is "eight million, sixty-seven thousand, six hundred forty-two".
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