Base | Representation |
---|---|
bin | 10000111110100… |
… | …11010000000100 |
3 | 100220222211200120 |
4 | 20133103100010 |
5 | 242430014134 |
6 | 22044341540 |
7 | 3346401351 |
oct | 1037232004 |
9 | 326884616 |
10 | 142423044 |
11 | 734375a5 |
12 | 3b8448b0 |
13 | 236781ba |
14 | 14cb5628 |
15 | c784649 |
hex | 87d3404 |
142423044 has 48 divisors (see below), whose sum is σ = 341228160. Its totient is φ = 46218240.
The previous prime is 142423033. The next prime is 142423081. The reversal of 142423044 is 440324241.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74452 + ... + 76340.
It is an arithmetic number, because the mean of its divisors is an integer number (7108920).
Almost surely, 2142423044 is an apocalyptic number.
It is an amenable number.
142423044 is an abundant number, since it is smaller than the sum of its proper divisors (198805116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142423044 is a wasteful number, since it uses less digits than its factorization.
142423044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2060 (or 2058 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 142423044 is about 11934.1126188754. The cubic root of 142423044 is about 522.2279211960.
Adding to 142423044 its reverse (440324241), we get a palindrome (582747285).
The spelling of 142423044 in words is "one hundred forty-two million, four hundred twenty-three thousand, forty-four".
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