Base | Representation |
---|---|
bin | 10000111100111… |
… | …00111110010101 |
3 | 100220120112201112 |
4 | 20132130332111 |
5 | 242400410400 |
6 | 22035504405 |
7 | 3344454242 |
oct | 1036347625 |
9 | 326515645 |
10 | 142200725 |
11 | 732a5567 |
12 | 3b758105 |
13 | 235cac54 |
14 | 14c585c9 |
15 | c73d835 |
hex | 879cf95 |
142200725 has 12 divisors (see below), whose sum is σ = 176476800. Its totient is φ = 113665200.
The previous prime is 142200719. The next prime is 142200761. The reversal of 142200725 is 527002241.
It is a happy number.
It is not a de Polignac number, because 142200725 - 212 = 142196629 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142200725.
It is a congruent number.
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, 58076 + ... + 60474.
It is an arithmetic number, because the mean of its divisors is an integer number (14706400).
Almost surely, 2142200725 is an apocalyptic number.
It is an amenable number.
142200725 is a deficient number, since it is larger than the sum of its proper divisors (34276075).
142200725 is a wasteful number, since it uses less digits than its factorization.
142200725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4780 (or 4775 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 23.
The square root of 142200725 is about 11924.7945474964. The cubic root of 142200725 is about 521.9560512120.
Adding to 142200725 its reverse (527002241), we get a palindrome (669202966).
The spelling of 142200725 in words is "one hundred forty-two million, two hundred thousand, seven hundred twenty-five".
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