Base | Representation |
---|---|
bin | 10000101100001… |
… | …11001010010111 |
3 | 100202110110102021 |
4 | 20112013022113 |
5 | 241320423411 |
6 | 21520554011 |
7 | 3320046520 |
oct | 1026071227 |
9 | 322413367 |
10 | 140014231 |
11 | 72041845 |
12 | 3aa82907 |
13 | 23013976 |
14 | 14849847 |
15 | c45aa71 |
hex | 8587297 |
140014231 has 8 divisors (see below), whose sum is σ = 160613280. Its totient is φ = 119564448.
The previous prime is 140014207. The next prime is 140014267. The reversal of 140014231 is 132410041.
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 140014231 - 219 = 139489943 is a prime.
It is a super-2 number, since 2×1400142312 = 39207969765042722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140014331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35296 + ... + 39061.
It is an arithmetic number, because the mean of its divisors is an integer number (20076660).
Almost surely, 2140014231 is an apocalyptic number.
140014231 is a deficient number, since it is larger than the sum of its proper divisors (20599049).
140014231 is an equidigital number, since it uses as much as digits as its factorization.
140014231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74633.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 140014231 is about 11832.7609204277. The cubic root of 140014231 is about 519.2670034899.
Adding to 140014231 its reverse (132410041), we get a palindrome (272424272).
The spelling of 140014231 in words is "one hundred forty million, fourteen thousand, two hundred thirty-one".
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