Base | Representation |
---|---|
bin | 10000111011100… |
… | …10110000100111 |
3 | 100220020202112110 |
4 | 20131302300213 |
5 | 242324342230 |
6 | 22032052103 |
7 | 3343134156 |
oct | 1035626047 |
9 | 326222473 |
10 | 142027815 |
11 | 73197666 |
12 | 3b694033 |
13 | 2356a337 |
14 | 14c1159d |
15 | c7074b0 |
hex | 8772c27 |
142027815 has 8 divisors (see below), whose sum is σ = 227244528. Its totient is φ = 75748160.
The previous prime is 142027799. The next prime is 142027817. The reversal of 142027815 is 518720241.
142027815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142027815 - 24 = 142027799 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142027817) 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, 4734246 + ... + 4734275.
It is an arithmetic number, because the mean of its divisors is an integer number (28405566).
Almost surely, 2142027815 is an apocalyptic number.
142027815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142027815 is a deficient number, since it is larger than the sum of its proper divisors (85216713).
142027815 is an equidigital number, since it uses as much as digits as its factorization.
142027815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9468529.
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 142027815 is about 11917.5423221401. The cubic root of 142027815 is about 521.7444066601.
The spelling of 142027815 in words is "one hundred forty-two million, twenty-seven thousand, eight hundred fifteen".
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