Base | Representation |
---|---|
bin | 1110100100000… |
… | …1111101110101 |
3 | 11020221120102220 |
4 | 3221001331311 |
5 | 111114300410 |
6 | 10021152553 |
7 | 1341143655 |
oct | 351017565 |
9 | 136846386 |
10 | 61087605 |
11 | 31534027 |
12 | 1855b759 |
13 | c86b017 |
14 | 8182365 |
15 | 556a070 |
hex | 3a41f75 |
61087605 has 8 divisors (see below), whose sum is σ = 97740192. Its totient is φ = 32580048.
The previous prime is 61087591. The next prime is 61087643. The reversal of 61087605 is 50678016.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61087605 - 25 = 61087573 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
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, 2036239 + ... + 2036268.
It is an arithmetic number, because the mean of its divisors is an integer number (12217524).
Almost surely, 261087605 is an apocalyptic number.
It is an amenable number.
61087605 is a deficient number, since it is larger than the sum of its proper divisors (36652587).
61087605 is a wasteful number, since it uses less digits than its factorization.
61087605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4072515.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 61087605 is about 7815.8559991852. The cubic root of 61087605 is about 393.8380745282.
The spelling of 61087605 in words is "sixty-one million, eighty-seven thousand, six hundred five".
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