Base | Representation |
---|---|
bin | 1110100100000… |
… | …1100110100011 |
3 | 11020221111101201 |
4 | 3221001212203 |
5 | 111114223430 |
6 | 10021142031 |
7 | 1341136426 |
oct | 351014643 |
9 | 136844351 |
10 | 61086115 |
11 | 315329a2 |
12 | 1855a917 |
13 | c86a43c |
14 | 81819bd |
15 | 55698ca |
hex | 3a419a3 |
61086115 has 8 divisors (see below), whose sum is σ = 73404720. Its totient is φ = 48801312.
The previous prime is 61086079. The next prime is 61086119. The reversal of 61086115 is 51168016.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61086115 - 27 = 61085987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61086119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285 + ... + 11854.
It is an arithmetic number, because the mean of its divisors is an integer number (9175590).
Almost surely, 261086115 is an apocalyptic number.
61086115 is a deficient number, since it is larger than the sum of its proper divisors (12318605).
61086115 is a wasteful number, since it uses less digits than its factorization.
61086115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16901.
The product of its (nonzero) digits is 1440, while the sum is 28.
The square root of 61086115 is about 7815.7606795500. The cubic root of 61086115 is about 393.8348724411.
The spelling of 61086115 in words is "sixty-one million, eighty-six thousand, one hundred fifteen".
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