Base | Representation |
---|---|
bin | 10000111111111… |
… | …11110110011111 |
3 | 100221100010021121 |
4 | 20133333312133 |
5 | 243001340402 |
6 | 22052311411 |
7 | 3351062065 |
oct | 1037776637 |
9 | 327303247 |
10 | 142605727 |
11 | 73551880 |
12 | 3b912567 |
13 | 237103b4 |
14 | 14d22035 |
15 | c7bd837 |
hex | 87ffd9f |
142605727 has 16 divisors (see below), whose sum is σ = 162777600. Its totient is φ = 123666400.
The previous prime is 142605721. The next prime is 142605761. The reversal of 142605727 is 727506241.
It is not a de Polignac number, because 142605727 - 27 = 142605599 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142605692 and 142605701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142605721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151077 + ... + 152017.
It is an arithmetic number, because the mean of its divisors is an integer number (10173600).
Almost surely, 2142605727 is an apocalyptic number.
142605727 is a deficient number, since it is larger than the sum of its proper divisors (20171873).
142605727 is a wasteful number, since it uses less digits than its factorization.
142605727 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1574.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 142605727 is about 11941.7639819249. The cubic root of 142605727 is about 522.4511093346.
The spelling of 142605727 in words is "one hundred forty-two million, six hundred five thousand, seven hundred twenty-seven".
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