Base | Representation |
---|---|
bin | 10000111110111… |
… | …00110010110011 |
3 | 100221001211022020 |
4 | 20133130302303 |
5 | 242432242011 |
6 | 22045242523 |
7 | 3346623330 |
oct | 1037346263 |
9 | 327054266 |
10 | 142462131 |
11 | 734639a9 |
12 | 3b863443 |
13 | 2368cc26 |
14 | 14cc5987 |
15 | c791006 |
hex | 87dccb3 |
142462131 has 16 divisors (see below), whose sum is σ = 217900800. Its totient is φ = 81101088.
The previous prime is 142462121. The next prime is 142462141. The reversal of 142462131 is 131264241.
It is an interprime number because it is at equal distance from previous prime (142462121) and next prime (142462141).
It is not a de Polignac number, because 142462131 - 213 = 142453939 is a prime.
It is a super-2 number, since 2×1424621312 = 40590917538122322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142462121) 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, 6961 + ... + 18258.
It is an arithmetic number, because the mean of its divisors is an integer number (13618800).
Almost surely, 2142462131 is an apocalyptic number.
142462131 is a deficient number, since it is larger than the sum of its proper divisors (75438669).
142462131 is a wasteful number, since it uses less digits than its factorization.
142462131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25498.
The product of its digits is 1152, while the sum is 24.
The square root of 142462131 is about 11935.7501230547. The cubic root of 142462131 is about 522.2756907496.
The spelling of 142462131 in words is "one hundred forty-two million, four hundred sixty-two thousand, one hundred thirty-one".
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