Base | Representation |
---|---|
bin | 1010011010111… |
… | …10111000010011 |
3 | 20002111102021220 |
4 | 11031132320103 |
5 | 134334423220 |
6 | 12401420123 |
7 | 2111030034 |
oct | 515367023 |
9 | 202442256 |
10 | 87420435 |
11 | 4538a2a3 |
12 | 2533a643 |
13 | 1515aa8b |
14 | b878a8b |
15 | 7a1c540 |
hex | 535ee13 |
87420435 has 16 divisors (see below), whose sum is σ = 140478624. Its totient is φ = 46422272.
The previous prime is 87420407. The next prime is 87420439. The reversal of 87420435 is 53402478.
It is a cyclic number.
It is not a de Polignac number, because 87420435 - 26 = 87420371 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87420396 and 87420405.
It is not an unprimeable number, because it can be changed into a prime (87420439) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9012 + ... + 16001.
It is an arithmetic number, because the mean of its divisors is an integer number (8779914).
Almost surely, 287420435 is an apocalyptic number.
87420435 is a deficient number, since it is larger than the sum of its proper divisors (53058189).
87420435 is a wasteful number, since it uses less digits than its factorization.
87420435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25254.
The product of its (nonzero) digits is 26880, while the sum is 33.
The square root of 87420435 is about 9349.8895715404. The cubic root of 87420435 is about 443.8173960982.
The spelling of 87420435 in words is "eighty-seven million, four hundred twenty thousand, four hundred thirty-five".
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