Base | Representation |
---|---|
bin | 10000101101001… |
… | …01110111101110 |
3 | 100202200211221220 |
4 | 20112211313232 |
5 | 241333440024 |
6 | 21523404210 |
7 | 3321112320 |
oct | 1026456756 |
9 | 322624856 |
10 | 140140014 |
11 | 721182a3 |
12 | 3ab23666 |
13 | 23058cb1 |
14 | 1487d610 |
15 | c482e79 |
hex | 85a5dee |
140140014 has 32 divisors (see below), whose sum is σ = 325107456. Its totient is φ = 39441600.
The previous prime is 140139983. The next prime is 140140019. The reversal of 140140014 is 410041041.
It is a junction number, because it is equal to n+sod(n) for n = 140139975 and 140140002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140140019) 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, 22087 + ... + 27714.
It is an arithmetic number, because the mean of its divisors is an integer number (10159608).
Almost surely, 2140140014 is an apocalyptic number.
140140014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
140140014 is an abundant number, since it is smaller than the sum of its proper divisors (184967442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140140014 is a wasteful number, since it uses less digits than its factorization.
140140014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49880.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 140140014 is about 11838.0747590138. The cubic root of 140140014 is about 519.4224529563.
Adding to 140140014 its reverse (410041041), we get a palindrome (550181055).
The spelling of 140140014 in words is "one hundred forty million, one hundred forty thousand, fourteen".
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