Base | Representation |
---|---|
bin | 10001000001000… |
… | …00111001000101 |
3 | 100221120222220222 |
4 | 20200200321011 |
5 | 243020203221 |
6 | 22055234125 |
7 | 3352164461 |
oct | 1040407105 |
9 | 327528828 |
10 | 142741061 |
11 | 73634521 |
12 | 3b978945 |
13 | 23759b88 |
14 | 14d594a1 |
15 | c7e89ab |
hex | 8820e45 |
142741061 has 8 divisors (see below), whose sum is σ = 153209304. Its totient is φ = 132503040.
The previous prime is 142741057. The next prime is 142741069. The reversal of 142741061 is 160147241.
It can be written as a sum of positive squares in 4 ways, for example, as 92756161 + 49984900 = 9631^2 + 7070^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142741061 - 22 = 142741057 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142741061.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142741069) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56270 + ... + 58751.
It is an arithmetic number, because the mean of its divisors is an integer number (19151163).
Almost surely, 2142741061 is an apocalyptic number.
It is an amenable number.
142741061 is a deficient number, since it is larger than the sum of its proper divisors (10468243).
142741061 is a wasteful number, since it uses less digits than its factorization.
142741061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115111.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 142741061 is about 11947.4290539848. The cubic root of 142741061 is about 522.6163272049.
The spelling of 142741061 in words is "one hundred forty-two million, seven hundred forty-one thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •