Base | Representation |
---|---|
bin | 10000111111110… |
… | …00001000110000 |
3 | 100221021111221021 |
4 | 20133320020300 |
5 | 242444333003 |
6 | 22051505224 |
7 | 3350601004 |
oct | 1037701060 |
9 | 327244837 |
10 | 142574128 |
11 | 73530064 |
12 | 3b8b8214 |
13 | 236cbbb8 |
14 | 14d14704 |
15 | c7b42bd |
hex | 87f8230 |
142574128 has 20 divisors (see below), whose sum is σ = 276925480. Its totient is φ = 71109504.
The previous prime is 142574123. The next prime is 142574129. The reversal of 142574128 is 821475241.
It is a junction number, because it is equal to n+sod(n) for n = 142574093 and 142574102.
It is not an unprimeable number, because it can be changed into a prime (142574123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350 + ... + 17437.
It is an arithmetic number, because the mean of its divisors is an integer number (13846274).
Almost surely, 2142574128 is an apocalyptic number.
It is an amenable number.
142574128 is a deficient number, since it is larger than the sum of its proper divisors (134351352).
142574128 is a wasteful number, since it uses less digits than its factorization.
142574128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22204 (or 22198 counting only the distinct ones).
The product of its digits is 17920, while the sum is 34.
The square root of 142574128 is about 11940.4408628827. The cubic root of 142574128 is about 522.4125177285.
The spelling of 142574128 in words is "one hundred forty-two million, five hundred seventy-four thousand, one hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •