Base | Representation |
---|---|
bin | 10000101110110… |
… | …00001010111101 |
3 | 100210002022120200 |
4 | 20113120022331 |
5 | 241412033140 |
6 | 21532034113 |
7 | 3322631100 |
oct | 1027301275 |
9 | 323068520 |
10 | 140346045 |
11 | 72249074 |
12 | 3b002939 |
13 | 230cb9c8 |
14 | 148d4737 |
15 | c4c4030 |
hex | 85d82bd |
140346045 has 36 divisors (see below), whose sum is σ = 282987900. Its totient is φ = 64157184.
The previous prime is 140346043. The next prime is 140346047. The reversal of 140346045 is 540643041.
140346045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (140346043) and next prime (140346047).
It can be written as a sum of positive squares in 2 ways, for example, as 39162564 + 101183481 = 6258^2 + 10059^2 .
It is not a de Polignac number, because 140346045 - 21 = 140346043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140346043) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29620 + ... + 34029.
It is an arithmetic number, because the mean of its divisors is an integer number (7860775).
Almost surely, 2140346045 is an apocalyptic number.
140346045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
140346045 is an abundant number, since it is smaller than the sum of its proper divisors (142641855).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140346045 is a wasteful number, since it uses less digits than its factorization.
140346045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63674 (or 63664 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 140346045 is about 11846.7736114100. The cubic root of 140346045 is about 519.6768764250.
Adding to 140346045 its reverse (540643041), we get a palindrome (680989086).
The spelling of 140346045 in words is "one hundred forty million, three hundred forty-six thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •