Base | Representation |
---|---|
bin | 1111110010001… |
… | …0010011100111 |
3 | 11121120100102202 |
4 | 3330202103213 |
5 | 113421411212 |
6 | 10322525115 |
7 | 1432461161 |
oct | 374422347 |
9 | 147510382 |
10 | 66200807 |
11 | 34406712 |
12 | 1a20679b |
13 | 1093b49a |
14 | 8b13931 |
15 | 5c2a0c2 |
hex | 3f224e7 |
66200807 has 8 divisors (see below), whose sum is σ = 71569200. Its totient is φ = 61020864.
The previous prime is 66200803. The next prime is 66200809. The reversal of 66200807 is 70800266.
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 66200807 - 22 = 66200803 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 66200807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66200801) 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, 46382 + ... + 47787.
It is an arithmetic number, because the mean of its divisors is an integer number (8946150).
Almost surely, 266200807 is an apocalyptic number.
66200807 is a deficient number, since it is larger than the sum of its proper divisors (5368393).
66200807 is a wasteful number, since it uses less digits than its factorization.
66200807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94225.
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 66200807 is about 8136.3878349056. The cubic root of 66200807 is about 404.5334402740.
The spelling of 66200807 in words is "sixty-six million, two hundred thousand, eight hundred seven".
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