Base | Representation |
---|---|
bin | 10001000001111… |
… | …01111111100010 |
3 | 100221211001102200 |
4 | 20200331333202 |
5 | 243033012013 |
6 | 22101554030 |
7 | 3353202132 |
oct | 1040757742 |
9 | 327731380 |
10 | 142860258 |
11 | 73706032 |
12 | 3ba15916 |
13 | 2379c1c8 |
14 | 14d8aac2 |
15 | c81de73 |
hex | 883dfe2 |
142860258 has 48 divisors (see below), whose sum is σ = 315057600. Its totient is φ = 46778400.
The previous prime is 142860253. The next prime is 142860269. The reversal of 142860258 is 852068241.
142860258 is a `hidden beast` number, since 1 + 42 + 8 + 602 + 5 + 8 = 666.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (142860253) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325203 + ... + 325641.
It is an arithmetic number, because the mean of its divisors is an integer number (6563700).
Almost surely, 2142860258 is an apocalyptic number.
142860258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
142860258 is an abundant number, since it is smaller than the sum of its proper divisors (172197342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142860258 is a wasteful number, since it uses less digits than its factorization.
142860258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 727 (or 724 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 142860258 is about 11952.4164084088. The cubic root of 142860258 is about 522.7617583004.
The spelling of 142860258 in words is "one hundred forty-two million, eight hundred sixty thousand, two hundred fifty-eight".
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