Base | Representation |
---|---|
bin | 10000111011011… |
… | …10100000100001 |
3 | 100220012212122111 |
4 | 20131232200201 |
5 | 242323313101 |
6 | 22031435321 |
7 | 3343032331 |
oct | 1035564041 |
9 | 326185574 |
10 | 142010401 |
11 | 73185575 |
12 | 3b685b41 |
13 | 23562430 |
14 | 14c090c1 |
15 | c702251 |
hex | 876e821 |
142010401 has 8 divisors (see below), whose sum is σ = 161930664. Its totient is φ = 123375360.
The previous prime is 142010399. The next prime is 142010417. The reversal of 142010401 is 104010241.
It can be written as a sum of positive squares in 4 ways, for example, as 41990400 + 100020001 = 6480^2 + 10001^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142010401 - 21 = 142010399 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142010431) 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, 321070 + ... + 321511.
It is an arithmetic number, because the mean of its divisors is an integer number (20241333).
Almost surely, 2142010401 is an apocalyptic number.
It is an amenable number.
142010401 is a deficient number, since it is larger than the sum of its proper divisors (19920263).
142010401 is a wasteful number, since it uses less digits than its factorization.
142010401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 642611.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 142010401 is about 11916.8116960872. The cubic root of 142010401 is about 521.7230821319.
Adding to 142010401 its reverse (104010241), we get a palindrome (246020642).
The spelling of 142010401 in words is "one hundred forty-two million, ten thousand, four hundred one".
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