Base | Representation |
---|---|
bin | 10001001001010… |
… | …10011000111100 |
3 | 101000122020122222 |
4 | 20210222120330 |
5 | 243310003130 |
6 | 22134424512 |
7 | 3364344122 |
oct | 1044523074 |
9 | 330566588 |
10 | 143828540 |
11 | 74207569 |
12 | 40202138 |
13 | 23a4ab5b |
14 | 1515d912 |
15 | c960ce5 |
hex | 892a63c |
143828540 has 24 divisors (see below), whose sum is σ = 302605632. Its totient is φ = 57423680.
The previous prime is 143828513. The next prime is 143828599. The reversal of 143828540 is 45828341.
It is a self number, because there is not a number n which added to its sum of digits gives 143828540.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4685 + ... + 17595.
It is an arithmetic number, because the mean of its divisors is an integer number (12608568).
Almost surely, 2143828540 is an apocalyptic number.
143828540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143828540 is an abundant number, since it is smaller than the sum of its proper divisors (158777092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143828540 is a wasteful number, since it uses less digits than its factorization.
143828540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13477 (or 13475 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 35.
The square root of 143828540 is about 11992.8537054364. The cubic root of 143828540 is about 523.9401627378.
It can be divided in two parts, 14382 and 8540, that added together give a palindrome (22922).
The spelling of 143828540 in words is "one hundred forty-three million, eight hundred twenty-eight thousand, five hundred forty".
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