Base | Representation |
---|---|
bin | 10000101100011… |
… | …11111100101101 |
3 | 100202112021210020 |
4 | 20112033330231 |
5 | 241323101341 |
6 | 21521432353 |
7 | 3320256453 |
oct | 1026177455 |
9 | 322467706 |
10 | 140050221 |
11 | 72066893 |
12 | 3aa9b6b9 |
13 | 2302716c |
14 | 148589d3 |
15 | c466566 |
hex | 858ff2d |
140050221 has 8 divisors (see below), whose sum is σ = 190257120. Its totient is φ = 91605072.
The previous prime is 140050213. The next prime is 140050223. The reversal of 140050221 is 122050041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 140050221 - 23 = 140050213 is a prime.
It is a super-2 number, since 2×1400502212 = 39228128804297682, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 140050221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140050223) 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, 440251 + ... + 440568.
It is an arithmetic number, because the mean of its divisors is an integer number (23782140).
Almost surely, 2140050221 is an apocalyptic number.
It is an amenable number.
140050221 is a deficient number, since it is larger than the sum of its proper divisors (50206899).
140050221 is an equidigital number, since it uses as much as digits as its factorization.
140050221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 880875.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 140050221 is about 11834.2816005028. The cubic root of 140050221 is about 519.3114913925.
The spelling of 140050221 in words is "one hundred forty million, fifty thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •