Base | Representation |
---|---|
bin | 1010011010100… |
… | …11101011000010 |
3 | 20002102002022201 |
4 | 11031103223002 |
5 | 134331441110 |
6 | 12400423414 |
7 | 2110446145 |
oct | 515235302 |
9 | 202362281 |
10 | 87374530 |
11 | 45358861 |
12 | 25317b6a |
13 | 15142c09 |
14 | b86605c |
15 | 7a0db3a |
hex | 5353ac2 |
87374530 has 8 divisors (see below), whose sum is σ = 157274172. Its totient is φ = 34949808.
The previous prime is 87374519. The next prime is 87374537. The reversal of 87374530 is 3547378.
It can be written as a sum of positive squares in 2 ways, for example, as 87216921 + 157609 = 9339^2 + 397^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 87374530.
It is not an unprimeable number, because it can be changed into a prime (87374537) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 4368717 + ... + 4368736.
Almost surely, 287374530 is an apocalyptic number.
87374530 is a deficient number, since it is larger than the sum of its proper divisors (69899642).
87374530 is a wasteful number, since it uses less digits than its factorization.
87374530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8737460.
The product of its (nonzero) digits is 70560, while the sum is 37.
The square root of 87374530 is about 9347.4344073655. The cubic root of 87374530 is about 443.7396987624.
The spelling of 87374530 in words is "eighty-seven million, three hundred seventy-four thousand, five hundred thirty".
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