Base | Representation |
---|---|
bin | 10000111101000… |
… | …00001110011100 |
3 | 100220121012222211 |
4 | 20132200032130 |
5 | 242401322134 |
6 | 22040050204 |
7 | 3344541130 |
oct | 1036401634 |
9 | 326535884 |
10 | 142214044 |
11 | 73304575 |
12 | 3b763964 |
13 | 2360402b |
14 | 14c5d3c0 |
15 | c742764 |
hex | 87a039c |
142214044 has 48 divisors (see below), whose sum is σ = 304032960. Its totient is φ = 56816640.
The previous prime is 142214041. The next prime is 142214063. The reversal of 142214044 is 440412241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142214041) 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, 50514 + ... + 53254.
It is an arithmetic number, because the mean of its divisors is an integer number (6334020).
Almost surely, 2142214044 is an apocalyptic number.
142214044 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 142214044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152016480).
142214044 is an abundant number, since it is smaller than the sum of its proper divisors (161818916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142214044 is a wasteful number, since it uses less digits than its factorization.
142214044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2878 (or 2876 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
The square root of 142214044 is about 11925.3529926791. The cubic root of 142214044 is about 521.9723467586.
Adding to 142214044 its reverse (440412241), we get a palindrome (582626285).
The spelling of 142214044 in words is "one hundred forty-two million, two hundred fourteen thousand, forty-four".
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