Base | Representation |
---|---|
bin | 1010011001100… |
… | …11011001100101 |
3 | 20002011100222211 |
4 | 11030303121211 |
5 | 134313223331 |
6 | 12353523421 |
7 | 2106355564 |
oct | 514633145 |
9 | 202140884 |
10 | 87242341 |
11 | 4527850a |
12 | 25273571 |
13 | 150c79b4 |
14 | b82dbdb |
15 | 79d48b1 |
hex | 5333665 |
87242341 has 4 divisors (see below), whose sum is σ = 87261184. Its totient is φ = 87223500.
The previous prime is 87242333. The next prime is 87242371. The reversal of 87242341 is 14324278.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 87242341 - 23 = 87242333 is a prime.
It is a super-2 number, since 2×872423412 = 15222452126320562, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87242321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866 + ... + 13516.
It is an arithmetic number, because the mean of its divisors is an integer number (21815296).
Almost surely, 287242341 is an apocalyptic number.
It is an amenable number.
87242341 is a deficient number, since it is larger than the sum of its proper divisors (18843).
87242341 is a wasteful number, since it uses less digits than its factorization.
87242341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18842.
The product of its digits is 10752, while the sum is 31.
The square root of 87242341 is about 9340.3608602666. The cubic root of 87242341 is about 443.5158077615.
The spelling of 87242341 in words is "eighty-seven million, two hundred forty-two thousand, three hundred forty-one".
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