Base | Representation |
---|---|
bin | 10000111011100… |
… | …01110001111000 |
3 | 100220020120000202 |
4 | 20131301301320 |
5 | 242324230200 |
6 | 22032021332 |
7 | 3343116362 |
oct | 1035616170 |
9 | 326216022 |
10 | 142023800 |
11 | 73194646 |
12 | 3b691848 |
13 | 23568569 |
14 | 14c0dd32 |
15 | c7061d5 |
hex | 8771c78 |
142023800 has 24 divisors (see below), whose sum is σ = 330205800. Its totient is φ = 56809440.
The previous prime is 142023793. The next prime is 142023809. The reversal of 142023800 is 8320241.
142023800 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 (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142023809) 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, 354860 + ... + 355259.
It is an arithmetic number, because the mean of its divisors is an integer number (13758575).
Almost surely, 2142023800 is an apocalyptic number.
142023800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142023800 is an abundant number, since it is smaller than the sum of its proper divisors (188182000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142023800 is a wasteful number, since it uses less digits than its factorization.
142023800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710135 (or 710126 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 142023800 is about 11917.3738717890. The cubic root of 142023800 is about 521.7394901970.
The spelling of 142023800 in words is "one hundred forty-two million, twenty-three thousand, eight hundred".
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