Base | Representation |
---|---|
bin | 101000101011… |
… | …100011111011 |
3 | 202001210111220 |
4 | 220223203323 |
5 | 10212223222 |
6 | 1020323123 |
7 | 156433632 |
oct | 50534373 |
9 | 22053456 |
10 | 10664187 |
11 | 6024186 |
12 | 36a34a3 |
13 | 2294c91 |
14 | 15b8519 |
15 | e09b5c |
hex | a2b8fb |
10664187 has 8 divisors (see below), whose sum is σ = 14967360. Its totient is φ = 6735240.
The previous prime is 10664179. The next prime is 10664209. The reversal of 10664187 is 78146601.
It is a happy number.
10664187 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10664187 - 23 = 10664179 is a prime.
It is a super-2 number, since 2×106641872 = 227449768741938, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10664107) 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, 93489 + ... + 93602.
It is an arithmetic number, because the mean of its divisors is an integer number (1870920).
Almost surely, 210664187 is an apocalyptic number.
10664187 is a deficient number, since it is larger than the sum of its proper divisors (4303173).
10664187 is a wasteful number, since it uses less digits than its factorization.
10664187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187113.
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 10664187 is about 3265.6066817668. The cubic root of 10664187 is about 220.1114242732. Note that the first 3 decimals are identical.
It can be divided in two parts, 1066 and 4187, that added together give a triangular number (5253 = T102).
The spelling of 10664187 in words is "ten million, six hundred sixty-four thousand, one hundred eighty-seven".
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