Base | Representation |
---|---|
bin | 1111111000111… |
… | …0000001110010 |
3 | 11122101202200111 |
4 | 3332032001302 |
5 | 114030021114 |
6 | 10340211534 |
7 | 1436306434 |
oct | 376160162 |
9 | 148352614 |
10 | 66642034 |
11 | 34688168 |
12 | 1a399baa |
13 | 10a64274 |
14 | 8bca654 |
15 | 5cb5bc4 |
hex | 3f8e072 |
66642034 has 16 divisors (see below), whose sum is σ = 101930400. Its totient is φ = 32668384.
The previous prime is 66642011. The next prime is 66642047. The reversal of 66642034 is 43024666.
It is a junction number, because it is equal to n+sod(n) for n = 66641987 and 66642005.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77334 + ... + 78190.
It is an arithmetic number, because the mean of its divisors is an integer number (6370650).
Almost surely, 266642034 is an apocalyptic number.
66642034 is a deficient number, since it is larger than the sum of its proper divisors (35288366).
66642034 is a wasteful number, since it uses less digits than its factorization.
66642034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1577.
The product of its (nonzero) digits is 20736, while the sum is 31.
The square root of 66642034 is about 8163.4572333050. The cubic root of 66642034 is about 405.4301866014.
The spelling of 66642034 in words is "sixty-six million, six hundred forty-two thousand, thirty-four".
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