Base | Representation |
---|---|
bin | 1111110100111… |
… | …0101011001000 |
3 | 11121220120201110 |
4 | 3331032223020 |
5 | 113443220121 |
6 | 10330450320 |
7 | 1434146043 |
oct | 375165310 |
9 | 147816643 |
10 | 66382536 |
11 | 34520200 |
12 | 1a2939a0 |
13 | 109a310c |
14 | 8b5dc5a |
15 | 5c63d76 |
hex | 3f4eac8 |
66382536 has 48 divisors (see below), whose sum is σ = 182422800. Its totient is φ = 20115040.
The previous prime is 66382517. The next prime is 66382541. The reversal of 66382536 is 63528366.
It is a happy number.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 66382494 and 66382503.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8526 + ... + 14333.
It is an arithmetic number, because the mean of its divisors is an integer number (3800475).
Almost surely, 266382536 is an apocalyptic number.
66382536 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is an amenable number.
66382536 is an abundant number, since it is smaller than the sum of its proper divisors (116040264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66382536 is a wasteful number, since it uses less digits than its factorization.
66382536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22890 (or 22875 counting only the distinct ones).
The product of its digits is 155520, while the sum is 39.
The square root of 66382536 is about 8147.5478519613. The cubic root of 66382536 is about 404.9032660298.
The spelling of 66382536 in words is "sixty-six million, three hundred eighty-two thousand, five hundred thirty-six".
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