Base | Representation |
---|---|
bin | 10000111100011… |
… | …11000000010110 |
3 | 100220110122020110 |
4 | 20132033000112 |
5 | 242342043020 |
6 | 22034343450 |
7 | 3344125365 |
oct | 1036170026 |
9 | 326418213 |
10 | 142143510 |
11 | 73266583 |
12 | 3b72ab86 |
13 | 235aabb2 |
14 | 14c417dc |
15 | c72b8e0 |
hex | 878f016 |
142143510 has 32 divisors (see below), whose sum is σ = 348406272. Its totient is φ = 37098080.
The previous prime is 142143497. The next prime is 142143517. The reversal of 142143510 is 15341241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142143517) 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, 48996 + ... + 51815.
It is an arithmetic number, because the mean of its divisors is an integer number (10887696).
Almost surely, 2142143510 is an apocalyptic number.
142143510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142143510 is an abundant number, since it is smaller than the sum of its proper divisors (206262762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142143510 is a wasteful number, since it uses less digits than its factorization.
142143510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100868.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 142143510 is about 11922.3953130233. The cubic root of 142143510 is about 521.8860381568.
Adding to 142143510 its reverse (15341241), we get a palindrome (157484751).
The spelling of 142143510 in words is "one hundred forty-two million, one hundred forty-three thousand, five hundred ten".
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