Base | Representation |
---|---|
bin | 1111111100100… |
… | …1001011111110 |
3 | 11122212002002011 |
4 | 3333021023332 |
5 | 114110244400 |
6 | 10345321434 |
7 | 1441336051 |
oct | 377111376 |
9 | 148762064 |
10 | 66884350 |
11 | 34833225 |
12 | 1a49627a |
13 | 10b1a650 |
14 | 8c50a98 |
15 | 5d128ba |
hex | 3fc92fe |
66884350 has 48 divisors (see below), whose sum is σ = 137147472. Its totient is φ = 24111360.
The previous prime is 66884333. The next prime is 66884369. The reversal of 66884350 is 5348866.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26754 + ... + 29146.
It is an arithmetic number, because the mean of its divisors is an integer number (2857239).
Almost surely, 266884350 is an apocalyptic number.
66884350 is an abundant number, since it is smaller than the sum of its proper divisors (70263122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66884350 is a wasteful number, since it uses less digits than its factorization.
66884350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2461 (or 2456 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 40.
The square root of 66884350 is about 8178.2852725984. The cubic root of 66884350 is about 405.9209848901.
The spelling of 66884350 in words is "sixty-six million, eight hundred eighty-four thousand, three hundred fifty".
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