Base | Representation |
---|---|
bin | 10000111101001… |
… | …11100101000000 |
3 | 100220122202022020 |
4 | 20132213211000 |
5 | 242403303120 |
6 | 22040441440 |
7 | 3345025002 |
oct | 1036474500 |
9 | 326582266 |
10 | 142244160 |
11 | 73325163 |
12 | 3b779280 |
13 | 23614956 |
14 | 14c6a372 |
15 | c74b640 |
hex | 87a7940 |
142244160 has 56 divisors (see below), whose sum is σ = 451628256. Its totient is φ = 37931520.
The previous prime is 142244143. The next prime is 142244171. The reversal of 142244160 is 61442241.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 142244160.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73126 + ... + 75045.
Almost surely, 2142244160 is an apocalyptic number.
142244160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142244160 is an abundant number, since it is smaller than the sum of its proper divisors (309384096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142244160 is a wasteful number, since it uses less digits than its factorization.
142244160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148191 (or 148181 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 142244160 is about 11926.6156138278. The cubic root of 142244160 is about 522.0091893686.
The spelling of 142244160 in words is "one hundred forty-two million, two hundred forty-four thousand, one hundred sixty".
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