Base | Representation |
---|---|
bin | 10001001001101… |
… | …01101111001100 |
3 | 101000201121102110 |
4 | 20210311233030 |
5 | 243313000040 |
6 | 22135424020 |
7 | 3364626462 |
oct | 1044655714 |
9 | 330647373 |
10 | 143875020 |
11 | 74239483 |
12 | 40225010 |
13 | 23a66063 |
14 | 15172832 |
15 | c96e980 |
hex | 8935bcc |
143875020 has 24 divisors (see below), whose sum is σ = 402850224. Its totient is φ = 38366656.
The previous prime is 143875007. The next prime is 143875031. The reversal of 143875020 is 20578341.
143875020 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 (30).
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, 1198899 + ... + 1199018.
It is an arithmetic number, because the mean of its divisors is an integer number (16785426).
Almost surely, 2143875020 is an apocalyptic number.
143875020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143875020 is an abundant number, since it is smaller than the sum of its proper divisors (258975204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143875020 is a wasteful number, since it uses less digits than its factorization.
143875020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2397929 (or 2397927 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 143875020 is about 11994.7913695904. The cubic root of 143875020 is about 523.9965959416.
The spelling of 143875020 in words is "one hundred forty-three million, eight hundred seventy-five thousand, twenty".
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