Base | Representation |
---|---|
bin | 10000111111111… |
… | …11101111010100 |
3 | 100221100002122121 |
4 | 20133333233110 |
5 | 243001332033 |
6 | 22052305324 |
7 | 3351060541 |
oct | 1037775724 |
9 | 327302577 |
10 | 142605268 |
11 | 735514a3 |
12 | 3b912244 |
13 | 23710120 |
14 | 14d21bc8 |
15 | c7bd62d |
hex | 87ffbd4 |
142605268 has 12 divisors (see below), whose sum is σ = 268756180. Its totient is φ = 65817792.
The previous prime is 142605263. The next prime is 142605269. The reversal of 142605268 is 862506241.
142605268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 90592324 + 52012944 = 9518^2 + 7212^2 .
It is a super-2 number, since 2×1426052682 = 40672524922703648, which contains 22 as substring.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142605263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371153 + ... + 1371256.
Almost surely, 2142605268 is an apocalyptic number.
It is an amenable number.
142605268 is a deficient number, since it is larger than the sum of its proper divisors (126150912).
142605268 is a wasteful number, since it uses less digits than its factorization.
142605268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2742426 (or 2742424 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 142605268 is about 11941.7447636432. The cubic root of 142605268 is about 522.4505488024.
The spelling of 142605268 in words is "one hundred forty-two million, six hundred five thousand, two hundred sixty-eight".
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