Base | Representation |
---|---|
bin | 11110101101100111000110 |
3 | 120011001002110 |
4 | 132231213012 |
5 | 4030114032 |
6 | 444321450 |
7 | 125301501 |
oct | 36554706 |
9 | 16131073 |
10 | 8051142 |
11 | 45a9a40 |
12 | 2843286 |
13 | 188b7b8 |
14 | 10d8138 |
15 | a907cc |
hex | 7ad9c6 |
8051142 has 32 divisors (see below), whose sum is σ = 17683200. Its totient is φ = 2423520.
The previous prime is 8051123. The next prime is 8051143. The reversal of 8051142 is 2411508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8051143) 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, 12828 + ... + 13440.
It is an arithmetic number, because the mean of its divisors is an integer number (552600).
Almost surely, 28051142 is an apocalyptic number.
8051142 is an abundant number, since it is smaller than the sum of its proper divisors (9632058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8051142 is a wasteful number, since it uses less digits than its factorization.
8051142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 828.
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 8051142 is about 2837.4534357413. The cubic root of 8051142 is about 200.4252783838.
The spelling of 8051142 in words is "eight million, fifty-one thousand, one hundred forty-two".
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