Base | Representation |
---|---|
bin | 10001000100111… |
… | …10001001101010 |
3 | 100222120001201020 |
4 | 20202132021222 |
5 | 243133112442 |
6 | 22114233310 |
7 | 3356432334 |
oct | 1042361152 |
9 | 328501636 |
10 | 143254122 |
11 | 73954a40 |
12 | 3bb85836 |
13 | 238a956b |
14 | 15050454 |
15 | c89a9ec |
hex | 889e26a |
143254122 has 32 divisors (see below), whose sum is σ = 315437760. Its totient is φ = 43009920.
The previous prime is 143254117. The next prime is 143254127. The reversal of 143254122 is 221452341.
It is an interprime number because it is at equal distance from previous prime (143254117) and next prime (143254127).
It is a junction number, because it is equal to n+sod(n) for n = 143254092 and 143254101.
It is not an unprimeable number, because it can be changed into a prime (143254127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2763 + ... + 17150.
It is an arithmetic number, because the mean of its divisors is an integer number (9857430).
Almost surely, 2143254122 is an apocalyptic number.
143254122 is an abundant number, since it is smaller than the sum of its proper divisors (172183638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143254122 is a wasteful number, since it uses less digits than its factorization.
143254122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20038.
The product of its digits is 1920, while the sum is 24.
The square root of 143254122 is about 11968.8814013675. The cubic root of 143254122 is about 523.2417334192.
The spelling of 143254122 in words is "one hundred forty-three million, two hundred fifty-four thousand, one hundred twenty-two".
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