Base | Representation |
---|---|
bin | 10000111111010… |
… | …11000111100000 |
3 | 100221011210210011 |
4 | 20133223013200 |
5 | 242441131200 |
6 | 22050414304 |
7 | 3350256352 |
oct | 1037530740 |
9 | 327153704 |
10 | 142520800 |
11 | 734a3a94 |
12 | 3b891394 |
13 | 236b0846 |
14 | 14cdd0d2 |
15 | c7a35ba |
hex | 87eb1e0 |
142520800 has 36 divisors (see below), whose sum is σ = 347930856. Its totient is φ = 57008000.
The previous prime is 142520789. The next prime is 142520801. The reversal of 142520800 is 8025241.
142520800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142520801) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88276 + ... + 89875.
It is an arithmetic number, because the mean of its divisors is an integer number (9664746).
Almost surely, 2142520800 is an apocalyptic number.
142520800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142520800 is an abundant number, since it is smaller than the sum of its proper divisors (205410056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142520800 is a wasteful number, since it uses less digits than its factorization.
142520800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178171 (or 178158 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 142520800 is about 11938.2075706531. The cubic root of 142520800 is about 522.3473757346.
The spelling of 142520800 in words is "one hundred forty-two million, five hundred twenty thousand, eight hundred".
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