Base | Representation |
---|---|
bin | 1010011000100… |
… | …10111100111011 |
3 | 20001220121200101 |
4 | 11030102330323 |
5 | 134300000220 |
6 | 12351020231 |
7 | 2105263240 |
oct | 514227473 |
9 | 201817611 |
10 | 87109435 |
11 | 45197676 |
12 | 2520a677 |
13 | 1507c35a |
14 | b7d75c7 |
15 | 79aa30a |
hex | 5312f3b |
87109435 has 8 divisors (see below), whose sum is σ = 119464416. Its totient is φ = 59732160.
The previous prime is 87109397. The next prime is 87109481. The reversal of 87109435 is 53490178.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87109435 - 213 = 87101243 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87109394 and 87109403.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244386 + ... + 1244455.
It is an arithmetic number, because the mean of its divisors is an integer number (14933052).
Almost surely, 287109435 is an apocalyptic number.
87109435 is a deficient number, since it is larger than the sum of its proper divisors (32354981).
87109435 is a wasteful number, since it uses less digits than its factorization.
87109435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2488853.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 87109435 is about 9333.2435412347. The cubic root of 87109435 is about 443.2904742457.
It can be divided in two parts, 8710 and 9435, that added together give a triangular number (18145 = T190).
The spelling of 87109435 in words is "eighty-seven million, one hundred nine thousand, four hundred thirty-five".
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