Base | Representation |
---|---|
bin | 10001000000010… |
… | …00011101110111 |
3 | 100221101220200120 |
4 | 20200020131313 |
5 | 243004003030 |
6 | 22053143023 |
7 | 3351300006 |
oct | 1040103567 |
9 | 327356616 |
10 | 142641015 |
11 | 73576340 |
12 | 3b92aa73 |
13 | 2372348a |
14 | 14d30c3d |
15 | c7c9010 |
hex | 8808777 |
142641015 has 16 divisors (see below), whose sum is σ = 248973696. Its totient is φ = 69159200.
The previous prime is 142641007. The next prime is 142641017. The reversal of 142641015 is 510146241.
It is a happy number.
It is not a de Polignac number, because 142641015 - 23 = 142641007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142641017) 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, 432081 + ... + 432410.
It is an arithmetic number, because the mean of its divisors is an integer number (15560856).
Almost surely, 2142641015 is an apocalyptic number.
142641015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142641015 is a deficient number, since it is larger than the sum of its proper divisors (106332681).
142641015 is a wasteful number, since it uses less digits than its factorization.
142641015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 864510.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 142641015 is about 11943.2413941945. The cubic root of 142641015 is about 522.4941995495.
Adding to 142641015 its reverse (510146241), we get a palindrome (652787256).
The spelling of 142641015 in words is "one hundred forty-two million, six hundred forty-one thousand, fifteen".
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