Base | Representation |
---|---|
bin | 1111110110011… |
… | …1001000011000 |
3 | 11122002200010200 |
4 | 3331213020120 |
5 | 114004421322 |
6 | 10332542200 |
7 | 1435044102 |
oct | 375471030 |
9 | 148080120 |
10 | 66482712 |
11 | 3458949a |
12 | 1a321960 |
13 | 10a098aa |
14 | 8b88572 |
15 | 5c838ac |
hex | 3f67218 |
66482712 has 24 divisors (see below), whose sum is σ = 180057540. Its totient is φ = 22160880.
The previous prime is 66482711. The next prime is 66482737. The reversal of 66482712 is 21728466.
66482712 is a `hidden beast` number, since 6 + 648 + 2 + 7 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66482711) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 461614 + ... + 461757.
Almost surely, 266482712 is an apocalyptic number.
It is an amenable number.
66482712 is an abundant number, since it is smaller than the sum of its proper divisors (113574828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66482712 is a wasteful number, since it uses less digits than its factorization.
66482712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923383 (or 923376 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 66482712 is about 8153.6931509593. The cubic root of 66482712 is about 405.1068396686.
The spelling of 66482712 in words is "sixty-six million, four hundred eighty-two thousand, seven hundred twelve".
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