Base | Representation |
---|---|
bin | 10000111110111… |
… | …01011010011111 |
3 | 100221001221210022 |
4 | 20133131122133 |
5 | 242432332141 |
6 | 22045302355 |
7 | 3346633616 |
oct | 1037353237 |
9 | 327057708 |
10 | 142464671 |
11 | 734658a8 |
12 | 3b8649bb |
13 | 2369112b |
14 | 14cc687d |
15 | c791b4b |
hex | 87dd69f |
142464671 has 2 divisors, whose sum is σ = 142464672. Its totient is φ = 142464670.
The previous prime is 142464649. The next prime is 142464757. The reversal of 142464671 is 176464241.
It is a weak prime.
It is an emirp because it is prime and its reverse (176464241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142464671 - 218 = 142202527 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142464601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71232335 + 71232336.
It is an arithmetic number, because the mean of its divisors is an integer number (71232336).
Almost surely, 2142464671 is an apocalyptic number.
142464671 is a deficient number, since it is larger than the sum of its proper divisors (1).
142464671 is an equidigital number, since it uses as much as digits as its factorization.
142464671 is an evil number, because the sum of its binary digits is even.
The product of its digits is 32256, while the sum is 35.
The square root of 142464671 is about 11935.8565256122. The cubic root of 142464671 is about 522.2787946677.
The spelling of 142464671 in words is "one hundred forty-two million, four hundred sixty-four thousand, six hundred seventy-one".
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