Base | Representation |
---|---|
bin | 10001000001010… |
… | …11001001111100 |
3 | 100221200010120222 |
4 | 20200223021330 |
5 | 243023024400 |
6 | 22100200512 |
7 | 3352431155 |
oct | 1040531174 |
9 | 327603528 |
10 | 142783100 |
11 | 73663069 |
12 | 3b999138 |
13 | 23773055 |
14 | 14d6a92c |
15 | c806185 |
hex | 882b27c |
142783100 has 36 divisors (see below), whose sum is σ = 326151000. Its totient is φ = 54106560.
The previous prime is 142783079. The next prime is 142783129. The reversal of 142783100 is 1387241.
It is a super-2 number, since 2×1427831002 = 40774027291220000, which contains 22 as substring.
It is a house number.
It is a self number, because there is not a number n which added to its sum of digits gives 142783100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35675 + ... + 39474.
It is an arithmetic number, because the mean of its divisors is an integer number (9059750).
Almost surely, 2142783100 is an apocalyptic number.
142783100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142783100 is an abundant number, since it is smaller than the sum of its proper divisors (183367900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142783100 is a wasteful number, since it uses less digits than its factorization.
142783100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75182 (or 75175 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 142783100 is about 11949.1882569487. The cubic root of 142783100 is about 522.6676278168.
The spelling of 142783100 in words is "one hundred forty-two million, seven hundred eighty-three thousand, one hundred".
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