Base | Representation |
---|---|
bin | 10000111110101… |
… | …10101111000000 |
3 | 100221000120021000 |
4 | 20133112233000 |
5 | 242430443222 |
6 | 22044532000 |
7 | 3346461063 |
oct | 1037265700 |
9 | 327016230 |
10 | 142437312 |
11 | 73447296 |
12 | 3b851000 |
13 | 23681844 |
14 | 14cba8da |
15 | c7889ac |
hex | 87d6bc0 |
142437312 has 112 divisors (see below), whose sum is σ = 432409600. Its totient is φ = 45930240.
The previous prime is 142437283. The next prime is 142437349. The reversal of 142437312 is 213734241.
It is a happy number.
142437312 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 (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52239 + ... + 54897.
It is an arithmetic number, because the mean of its divisors is an integer number (3860800).
Almost surely, 2142437312 is an apocalyptic number.
142437312 is a gapful number since it is divisible by the number (12) 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 142437312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216204800).
142437312 is an abundant number, since it is smaller than the sum of its proper divisors (289972288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142437312 is a wasteful number, since it uses less digits than its factorization.
142437312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2711 (or 2695 counting only the distinct ones).
The product of its digits is 4032, while the sum is 27.
The square root of 142437312 is about 11934.7103860965. The cubic root of 142437312 is about 522.2453596174.
The spelling of 142437312 in words is "one hundred forty-two million, four hundred thirty-seven thousand, three hundred twelve".
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