Base | Representation |
---|---|
bin | 10000101110011… |
… | …11011000011100 |
3 | 100210000111012022 |
4 | 20113033120130 |
5 | 241404410134 |
6 | 21531155312 |
7 | 3322421120 |
oct | 1027173034 |
9 | 323014168 |
10 | 140310044 |
11 | 72224016 |
12 | 3aba5b38 |
13 | 230b84c4 |
14 | 148c5580 |
15 | c4b852e |
hex | 85cf61c |
140310044 has 48 divisors (see below), whose sum is σ = 298468800. Its totient is φ = 56340480.
The previous prime is 140310029. The next prime is 140310047. The reversal of 140310044 is 440013041.
140310044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140310047) 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, 133232 + ... + 134280.
It is an arithmetic number, because the mean of its divisors is an integer number (6218100).
Almost surely, 2140310044 is an apocalyptic number.
140310044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140310044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149234400).
140310044 is an abundant number, since it is smaller than the sum of its proper divisors (158158756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140310044 is a wasteful number, since it uses less digits than its factorization.
140310044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1358 (or 1356 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 140310044 is about 11845.2540707239. The cubic root of 140310044 is about 519.6324374880.
Adding to 140310044 its reverse (440013041), we get a palindrome (580323085).
The spelling of 140310044 in words is "one hundred forty million, three hundred ten thousand, forty-four".
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