Base | Representation |
---|---|
bin | 10000111110011… |
… | …10010111010000 |
3 | 100220221211020002 |
4 | 20133032113100 |
5 | 242423344044 |
6 | 22044105132 |
7 | 3346256111 |
oct | 1037162720 |
9 | 326854202 |
10 | 142403024 |
11 | 73423555 |
12 | 3b8351a8 |
13 | 2366c05a |
14 | 14cac208 |
15 | c77d74e |
hex | 87ce5d0 |
142403024 has 40 divisors (see below), whose sum is σ = 291469440. Its totient is φ = 67212288.
The previous prime is 142403003. The next prime is 142403029. The reversal of 142403024 is 420304241.
142403024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 142402987 and 142403005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142403029) 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, 106649 + ... + 107975.
It is an arithmetic number, because the mean of its divisors is an integer number (7286736).
Almost surely, 2142403024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142403024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145734720).
142403024 is an abundant number, since it is smaller than the sum of its proper divisors (149066416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142403024 is a wasteful number, since it uses less digits than its factorization.
142403024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1707 (or 1701 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 142403024 is about 11933.2738173562. The cubic root of 142403024 is about 522.2034506875.
Adding to 142403024 its reverse (420304241), we get a palindrome (562707265).
The spelling of 142403024 in words is "one hundred forty-two million, four hundred three thousand, twenty-four".
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