Base | Representation |
---|---|
bin | 10000111011101… |
… | …11001111111101 |
3 | 100220021200202120 |
4 | 20131313033331 |
5 | 242330434310 |
6 | 22032313153 |
7 | 3343241610 |
oct | 1035671775 |
9 | 326250676 |
10 | 142046205 |
11 | 731aa464 |
12 | 3b6a27b9 |
13 | 23575812 |
14 | 14c18177 |
15 | c70cb70 |
hex | 87773fd |
142046205 has 32 divisors (see below), whose sum is σ = 268704000. Its totient is φ = 62694912.
The previous prime is 142046197. The next prime is 142046239. The reversal of 142046205 is 502640241.
It is not a de Polignac number, because 142046205 - 23 = 142046197 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20280 + ... + 26369.
It is an arithmetic number, because the mean of its divisors is an integer number (8397000).
Almost surely, 2142046205 is an apocalyptic number.
142046205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142046205 is a deficient number, since it is larger than the sum of its proper divisors (126657795).
142046205 is a wasteful number, since it uses less digits than its factorization.
142046205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46693.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 142046205 is about 11918.3138488630. The cubic root of 142046205 is about 521.7669244689.
Adding to 142046205 its reverse (502640241), we get a palindrome (644686446).
The spelling of 142046205 in words is "one hundred forty-two million, forty-six thousand, two hundred five".
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