Base | Representation |
---|---|
bin | 1010011010101… |
… | …00011001000111 |
3 | 20002102020100221 |
4 | 11031110121013 |
5 | 134332034404 |
6 | 12400445211 |
7 | 2110460560 |
oct | 515243107 |
9 | 202366327 |
10 | 87377479 |
11 | 4535aaa2 |
12 | 25319807 |
13 | 15144367 |
14 | b867167 |
15 | 7a0e954 |
hex | 5354647 |
87377479 has 8 divisors (see below), whose sum is σ = 100080288. Its totient is φ = 74729760.
The previous prime is 87377473. The next prime is 87377489. The reversal of 87377479 is 97477378.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87377479 - 23 = 87377471 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87377471) 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 7 ways as a sum of consecutive naturals, for example, 10312 + ... + 16765.
It is an arithmetic number, because the mean of its divisors is an integer number (12510036).
Almost surely, 287377479 is an apocalyptic number.
87377479 is a deficient number, since it is larger than the sum of its proper divisors (12702809).
87377479 is a wasteful number, since it uses less digits than its factorization.
87377479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27545.
The product of its digits is 2074464, while the sum is 52.
The square root of 87377479 is about 9347.5921498534. The cubic root of 87377479 is about 443.7446909634.
The spelling of 87377479 in words is "eighty-seven million, three hundred seventy-seven thousand, four hundred seventy-nine".
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