Base | Representation |
---|---|
bin | 11111000011111100101010 |
3 | 120022200121001 |
4 | 133003330222 |
5 | 4041031014 |
6 | 450305214 |
7 | 126132313 |
oct | 37037452 |
9 | 16280531 |
10 | 8142634 |
11 | 4661755 |
12 | 288820a |
13 | 18c1336 |
14 | 111d60a |
15 | aac974 |
hex | 7c3f2a |
8142634 has 4 divisors (see below), whose sum is σ = 12213954. Its totient is φ = 4071316.
The previous prime is 8142619. The next prime is 8142637. The reversal of 8142634 is 4362418.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4362418 = 2 ⋅2181209.
It can be written as a sum of positive squares in only one way, i.e., 8139609 + 3025 = 2853^2 + 55^2 .
It is not an unprimeable number, because it can be changed into a prime (8142637) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035657 + ... + 2035660.
Almost surely, 28142634 is an apocalyptic number.
8142634 is a deficient number, since it is larger than the sum of its proper divisors (4071320).
8142634 is a wasteful number, since it uses less digits than its factorization.
8142634 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4071319.
The product of its digits is 4608, while the sum is 28.
The square root of 8142634 is about 2853.5300944619. The cubic root of 8142634 is about 201.1816217682.
The spelling of 8142634 in words is "eight million, one hundred forty-two thousand, six hundred thirty-four".
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