Base | Representation |
---|---|
bin | 10000111011111… |
… | …01101110010101 |
3 | 100220100001010210 |
4 | 20131331232111 |
5 | 242332311400 |
6 | 22033040033 |
7 | 3343412124 |
oct | 1035755625 |
9 | 326301123 |
10 | 142072725 |
11 | 73218383 |
12 | 3b6b6019 |
13 | 23584902 |
14 | 14c23abb |
15 | c715950 |
hex | 877db95 |
142072725 has 24 divisors (see below), whose sum is σ = 245109312. Its totient is φ = 72476800.
The previous prime is 142072687. The next prime is 142072739. The reversal of 142072725 is 527270241.
It is not a de Polignac number, because 142072725 - 210 = 142071701 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142072692 and 142072701.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39456 + ... + 42905.
It is an arithmetic number, because the mean of its divisors is an integer number (10212888).
Almost surely, 2142072725 is an apocalyptic number.
142072725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142072725 is a deficient number, since it is larger than the sum of its proper divisors (103036587).
142072725 is a wasteful number, since it uses less digits than its factorization.
142072725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82397 (or 82392 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 30.
The square root of 142072725 is about 11919.4263704257. The cubic root of 142072725 is about 521.7993937108.
The spelling of 142072725 in words is "one hundred forty-two million, seventy-two thousand, seven hundred twenty-five".
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