Base | Representation |
---|---|
bin | 10001000000001… |
… | …01110111001000 |
3 | 100221101101001100 |
4 | 20200011313020 |
5 | 243003132334 |
6 | 22053021400 |
7 | 3351223623 |
oct | 1040056710 |
9 | 327341040 |
10 | 142630344 |
11 | 7356931a |
12 | 3b924860 |
13 | 2371b66c |
14 | 14d2adba |
15 | c7c5c99 |
hex | 8805dc8 |
142630344 has 48 divisors (see below), whose sum is σ = 387585900. Its totient is φ = 47384064.
The previous prime is 142630339. The next prime is 142630363. The reversal of 142630344 is 443036241.
It can be written as a sum of positive squares in 2 ways, for example, as 136188900 + 6441444 = 11670^2 + 2538^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19372 + ... + 25700.
Almost surely, 2142630344 is an apocalyptic number.
It is an amenable number.
142630344 is an abundant number, since it is smaller than the sum of its proper divisors (244955556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142630344 is a wasteful number, since it uses less digits than its factorization.
142630344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6654 (or 6647 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 142630344 is about 11942.7946478201. The cubic root of 142630344 is about 522.4811699295.
Adding to 142630344 its reverse (443036241), we get a palindrome (585666585).
The spelling of 142630344 in words is "one hundred forty-two million, six hundred thirty thousand, three hundred forty-four".
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