Base | Representation |
---|---|
bin | 10000111011100… |
… | …01101011010010 |
3 | 100220020112110010 |
4 | 20131301223102 |
5 | 242324222003 |
6 | 22032015350 |
7 | 3343115220 |
oct | 1035615322 |
9 | 326215403 |
10 | 142023378 |
11 | 731942a2 |
12 | 3b691556 |
13 | 23568303 |
14 | 14c0db10 |
15 | c706003 |
hex | 8771ad2 |
142023378 has 32 divisors (see below), whose sum is σ = 331536384. Its totient is φ = 39714192.
The previous prime is 142023377. The next prime is 142023397. The reversal of 142023378 is 873320241.
142023378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (142023377) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34000 + ... + 37947.
It is an arithmetic number, because the mean of its divisors is an integer number (10360512).
Almost surely, 2142023378 is an apocalyptic number.
142023378 is an abundant number, since it is smaller than the sum of its proper divisors (189513006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142023378 is a wasteful number, since it uses less digits than its factorization.
142023378 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72006.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 142023378 is about 11917.3561665329. The cubic root of 142023378 is about 521.7389734426.
The spelling of 142023378 in words is "one hundred forty-two million, twenty-three thousand, three hundred seventy-eight".
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