Base | Representation |
---|---|
bin | 10001000001001… |
… | …01100001101111 |
3 | 100221121221222011 |
4 | 20200211201233 |
5 | 243021310142 |
6 | 22055502051 |
7 | 3352304023 |
oct | 1040454157 |
9 | 327557864 |
10 | 142760047 |
11 | 73647811 |
12 | 3b987927 |
13 | 23765701 |
14 | 14d62383 |
15 | c7ee417 |
hex | 882586f |
142760047 has 2 divisors, whose sum is σ = 142760048. Its totient is φ = 142760046.
The previous prime is 142760039. The next prime is 142760063. The reversal of 142760047 is 740067241.
It is a weak prime.
It is an emirp because it is prime and its reverse (740067241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142760047 - 23 = 142760039 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142760087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71380023 + 71380024.
It is an arithmetic number, because the mean of its divisors is an integer number (71380024).
Almost surely, 2142760047 is an apocalyptic number.
142760047 is a deficient number, since it is larger than the sum of its proper divisors (1).
142760047 is an equidigital number, since it uses as much as digits as its factorization.
142760047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9408, while the sum is 31.
The square root of 142760047 is about 11948.2235918148. The cubic root of 142760047 is about 522.6394972576.
The spelling of 142760047 in words is "one hundred forty-two million, seven hundred sixty thousand, forty-seven".
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