Base | Representation |
---|---|
bin | 10000111110010… |
… | …01001111011000 |
3 | 100220220202102220 |
4 | 20133021033120 |
5 | 242422211130 |
6 | 22043424040 |
7 | 3346140663 |
oct | 1037111730 |
9 | 326822386 |
10 | 142382040 |
11 | 73409809 |
12 | 3b825020 |
13 | 23662638 |
14 | 14ca46da |
15 | c777410 |
hex | 87c93d8 |
142382040 has 32 divisors (see below), whose sum is σ = 427146480. Its totient is φ = 37968512.
The previous prime is 142382027. The next prime is 142382041. The reversal of 142382040 is 40283241.
142382040 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 nialpdrome in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 142382040.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142382041) 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, 593139 + ... + 593378.
Almost surely, 2142382040 is an apocalyptic number.
142382040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142382040 is an abundant number, since it is smaller than the sum of its proper divisors (284764440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142382040 is a wasteful number, since it uses less digits than its factorization.
142382040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1186531 (or 1186527 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 142382040 is about 11932.3945627020. The cubic root of 142382040 is about 522.1777994170.
The spelling of 142382040 in words is "one hundred forty-two million, three hundred eighty-two thousand, forty".
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