Base | Representation |
---|---|
bin | 1111111110001… |
… | …0000101011000 |
3 | 11200001020222010 |
4 | 3333202011120 |
5 | 114122030303 |
6 | 10351425520 |
7 | 1442242263 |
oct | 377420530 |
9 | 150036863 |
10 | 66986328 |
11 | 348a2902 |
12 | 1a5252a0 |
13 | 10b54ba6 |
14 | 8c79cda |
15 | 5d32c03 |
hex | 3fe2158 |
66986328 has 16 divisors (see below), whose sum is σ = 167465880. Its totient is φ = 22328768.
The previous prime is 66986321. The next prime is 66986351. The reversal of 66986328 is 82368966.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66986321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395525 + ... + 1395572.
Almost surely, 266986328 is an apocalyptic number.
It is an amenable number.
66986328 is an abundant number, since it is smaller than the sum of its proper divisors (100479552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66986328 is a wasteful number, since it uses less digits than its factorization.
66986328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2791106 (or 2791102 counting only the distinct ones).
The product of its digits is 746496, while the sum is 48.
The square root of 66986328 is about 8184.5175789414. The cubic root of 66986328 is about 406.1271815554.
The spelling of 66986328 in words is "sixty-six million, nine hundred eighty-six thousand, three hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •