Base | Representation |
---|---|
bin | 10000111100011… |
… | …11001100110110 |
3 | 100220110200100002 |
4 | 20132033030312 |
5 | 242342104220 |
6 | 22034351302 |
7 | 3344130620 |
oct | 1036171466 |
9 | 326420302 |
10 | 142144310 |
11 | 73267140 |
12 | 3b72b532 |
13 | 235ab379 |
14 | 14c41c10 |
15 | c72bc75 |
hex | 878f336 |
142144310 has 64 divisors (see below), whose sum is σ = 337789440. Its totient is φ = 41694720.
The previous prime is 142144297. The next prime is 142144333. The reversal of 142144310 is 13441241.
It is a super-2 number, since 2×1421443102 = 40410009730752200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7661 + ... + 18519.
It is an arithmetic number, because the mean of its divisors is an integer number (5277960).
Almost surely, 2142144310 is an apocalyptic number.
142144310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142144310 is an abundant number, since it is smaller than the sum of its proper divisors (195645130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142144310 is a wasteful number, since it uses less digits than its factorization.
142144310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10901.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 142144310 is about 11922.4288632812. The cubic root of 142144310 is about 521.8870172332.
Adding to 142144310 its reverse (13441241), we get a palindrome (155585551).
The spelling of 142144310 in words is "one hundred forty-two million, one hundred forty-four thousand, three hundred ten".
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