| Base | Representation |
|---|---|
| bin | 10001000100111… |
| … | …11100110001000 |
| 3 | 100222120100211102 |
| 4 | 20202133212020 |
| 5 | 243133310130 |
| 6 | 22114320532 |
| 7 | 3356455520 |
| oct | 1042374610 |
| 9 | 328510742 |
| 10 | 143260040 |
| 11 | 73959430 |
| 12 | 3bb89148 |
| 13 | 238ac171 |
| 14 | 15052680 |
| 15 | c89c645 |
| hex | 889f988 |
143260040 has 128 divisors (see below), whose sum is σ = 405630720. Its totient is φ = 44236800.
The previous prime is 143259947. The next prime is 143260043. The reversal of 143260040 is 40062341.
It is a happy number.
143260040 is nontrivially palindromic in base 16.
143260040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-4 number, since 4×1432600404 (a number of 34 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 143259994 and 143260021.
It is not an unprimeable number, because it can be changed into a prime (143260043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594320 + ... + 594560.
It is an arithmetic number, because the mean of its divisors is an integer number (3168990).
Almost surely, 2143260040 is an apocalyptic number.
143260040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143260040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202815360).
143260040 is an abundant number, since it is smaller than the sum of its proper divisors (262370680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143260040 is a wasteful number, since it uses less digits than its factorization.
143260040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 463 (or 459 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 143260040 is about 11969.1286232541. The cubic root of 143260040 is about 523.2489385684.
The spelling of 143260040 in words is "one hundred forty-three million, two hundred sixty thousand, forty".
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