Base | Representation |
---|---|
bin | 10000101101101… |
… | …10011011100111 |
3 | 100202211022000020 |
4 | 20112312123213 |
5 | 241343122342 |
6 | 21525050223 |
7 | 3321514143 |
oct | 1026663347 |
9 | 322738006 |
10 | 140207847 |
11 | 7216425a |
12 | 3ab56973 |
13 | 23080b30 |
14 | 1489a223 |
15 | c4980ec |
hex | 85b66e7 |
140207847 has 16 divisors (see below), whose sum is σ = 202140288. Its totient is φ = 85932000.
The previous prime is 140207827. The next prime is 140207863. The reversal of 140207847 is 748702041.
It is not a de Polignac number, because 140207847 - 28 = 140207591 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140207827) 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, 2628 + ... + 16950.
It is an arithmetic number, because the mean of its divisors is an integer number (12633768).
Almost surely, 2140207847 is an apocalyptic number.
140207847 is a deficient number, since it is larger than the sum of its proper divisors (61932441).
140207847 is a wasteful number, since it uses less digits than its factorization.
140207847 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14590.
The product of its (nonzero) digits is 12544, while the sum is 33.
The square root of 140207847 is about 11840.9394475270. The cubic root of 140207847 is about 519.5062460594.
Adding to 140207847 its reverse (748702041), we get a palindrome (888909888).
The spelling of 140207847 in words is "one hundred forty million, two hundred seven thousand, eight hundred forty-seven".
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