Base | Representation |
---|---|
bin | 1111110100101… |
… | …0001010001101 |
3 | 11121212122100121 |
4 | 3331022022031 |
5 | 113442122140 |
6 | 10330224541 |
7 | 1434041116 |
oct | 375121215 |
9 | 147778317 |
10 | 66364045 |
11 | 34508320 |
12 | 1a285151 |
13 | 10997887 |
14 | 8b5720d |
15 | 5c5d64a |
hex | 3f4a28d |
66364045 has 8 divisors (see below), whose sum is σ = 86876640. Its totient is φ = 48264720.
The previous prime is 66364043. The next prime is 66364049. The reversal of 66364045 is 54046366.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 66364045 - 21 = 66364043 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 66364045.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66364043) 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, 603255 + ... + 603364.
It is an arithmetic number, because the mean of its divisors is an integer number (10859580).
Almost surely, 266364045 is an apocalyptic number.
It is an amenable number.
66364045 is a deficient number, since it is larger than the sum of its proper divisors (20512595).
66364045 is a wasteful number, since it uses less digits than its factorization.
66364045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1206635.
The product of its (nonzero) digits is 51840, while the sum is 34.
The square root of 66364045 is about 8146.4130143272. The cubic root of 66364045 is about 404.8656669762.
The spelling of 66364045 in words is "sixty-six million, three hundred sixty-four thousand, forty-five".
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