Base | Representation |
---|---|
bin | 10000111100100… |
… | …00101001100000 |
3 | 100220110222110201 |
4 | 20132100221200 |
5 | 242342301430 |
6 | 22034434544 |
7 | 3344154121 |
oct | 1036205140 |
9 | 326428421 |
10 | 142150240 |
11 | 73270641 |
12 | 3b732a54 |
13 | 235b0c8b |
14 | 14c44048 |
15 | c72d8ca |
hex | 8790a60 |
142150240 has 48 divisors (see below), whose sum is σ = 342186768. Its totient is φ = 55783936.
The previous prime is 142150237. The next prime is 142150247. The reversal of 142150240 is 42051241.
142150240 is digitally balanced in base 3, 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 (142150247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99 + ... + 16861.
It is an arithmetic number, because the mean of its divisors is an integer number (7128891).
Almost surely, 2142150240 is an apocalyptic number.
142150240 is a gapful number since it is divisible by the number (10) 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 142150240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171093384).
142150240 is an abundant number, since it is smaller than the sum of its proper divisors (200036528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142150240 is a wasteful number, since it uses less digits than its factorization.
142150240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16831 (or 16823 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 142150240 is about 11922.6775516240. The cubic root of 142150240 is about 521.8942745221.
The spelling of 142150240 in words is "one hundred forty-two million, one hundred fifty thousand, two hundred forty".
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