Base | Representation |
---|---|
bin | 10000111110101… |
… | …11111001000110 |
3 | 100221000210202122 |
4 | 20133113321012 |
5 | 242431121204 |
6 | 22045005542 |
7 | 3346510646 |
oct | 1037277106 |
9 | 327023678 |
10 | 142442054 |
11 | 7344a907 |
12 | 3b8538b2 |
13 | 23683a51 |
14 | 14cbc526 |
15 | c78a0be |
hex | 87d7e46 |
142442054 has 16 divisors (see below), whose sum is σ = 218690496. Its totient is φ = 69552000.
The previous prime is 142442029. The next prime is 142442071. The reversal of 142442054 is 450244241.
It is a congruent number.
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, 49454 + ... + 52254.
It is an arithmetic number, because the mean of its divisors is an integer number (13668156).
Almost surely, 2142442054 is an apocalyptic number.
142442054 is a deficient number, since it is larger than the sum of its proper divisors (76248442).
142442054 is a wasteful number, since it uses less digits than its factorization.
142442054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3391.
The product of its (nonzero) digits is 5120, while the sum is 26.
The square root of 142442054 is about 11934.9090486690. The cubic root of 142442054 is about 522.2511550558.
Adding to 142442054 its reverse (450244241), we get a palindrome (592686295).
The spelling of 142442054 in words is "one hundred forty-two million, four hundred forty-two thousand, fifty-four".
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