Base | Representation |
---|---|
bin | 1010011010011… |
… | …11000010010110 |
3 | 20002101010021110 |
4 | 11031033002112 |
5 | 134330334132 |
6 | 12400155450 |
7 | 2110336611 |
oct | 515170226 |
9 | 202333243 |
10 | 87355542 |
11 | 4534556a |
12 | 25308b86 |
13 | 15137391 |
14 | b85d178 |
15 | 7a081cc |
hex | 534f096 |
87355542 has 16 divisors (see below), whose sum is σ = 175191552. Its totient is φ = 29038440.
The previous prime is 87355531. The next prime is 87355561. The reversal of 87355542 is 24555378.
It is a super-3 number, since 3×873555423 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 87355542.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17634 + ... + 22037.
It is an arithmetic number, because the mean of its divisors is an integer number (10949472).
Almost surely, 287355542 is an apocalyptic number.
87355542 is an abundant number, since it is smaller than the sum of its proper divisors (87836010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87355542 is a wasteful number, since it uses less digits than its factorization.
87355542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40043.
The product of its digits is 168000, while the sum is 39.
The square root of 87355542 is about 9346.4186724114. The cubic root of 87355542 is about 443.7075523240.
The spelling of 87355542 in words is "eighty-seven million, three hundred fifty-five thousand, five hundred forty-two".
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