Base | Representation |
---|---|
bin | 10000111100011… |
… | …11011100011000 |
3 | 100220110201200220 |
4 | 20132033130120 |
5 | 242342122204 |
6 | 22034400040 |
7 | 3344133540 |
oct | 1036173430 |
9 | 326421626 |
10 | 142145304 |
11 | 73267964 |
12 | 3b730020 |
13 | 235ab962 |
14 | 14c42320 |
15 | c72c1d9 |
hex | 878f718 |
142145304 has 64 divisors (see below), whose sum is σ = 407116800. Its totient is φ = 40514304.
The previous prime is 142145293. The next prime is 142145321. The reversal of 142145304 is 403541241.
142145304 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 (24).
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, 94849 + ... + 96335.
It is an arithmetic number, because the mean of its divisors is an integer number (6361200).
Almost surely, 2142145304 is an apocalyptic number.
142145304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
142145304 is an abundant number, since it is smaller than the sum of its proper divisors (264971496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142145304 is a wasteful number, since it uses less digits than its factorization.
142145304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2072 (or 2068 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 142145304 is about 11922.4705493450. The cubic root of 142145304 is about 521.8882337304. Note that the first 3 decimals are identical.
Adding to 142145304 its reverse (403541241), we get a palindrome (545686545).
The spelling of 142145304 in words is "one hundred forty-two million, one hundred forty-five thousand, three hundred four".
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