Base | Representation |
---|---|
bin | 1111111100101… |
… | …1000101000100 |
3 | 11122212110201012 |
4 | 3333023011010 |
5 | 114111021400 |
6 | 10345421352 |
7 | 1441400462 |
oct | 377130504 |
9 | 148773635 |
10 | 66892100 |
11 | 34839030 |
12 | 1a49a858 |
13 | 10b21032 |
14 | 8c53832 |
15 | 5d14d35 |
hex | 3fcb144 |
66892100 has 36 divisors (see below), whose sum is σ = 158354448. Its totient is φ = 24324000.
The previous prime is 66892087. The next prime is 66892109. The reversal of 66892100 is 129866.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (66892109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29306 + ... + 31505.
Almost surely, 266892100 is an apocalyptic number.
It is an amenable number.
66892100 is an abundant number, since it is smaller than the sum of its proper divisors (91462348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66892100 is a wasteful number, since it uses less digits than its factorization.
66892100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60836 (or 60829 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 66892100 is about 8178.7590745785. The cubic root of 66892100 is about 405.9366625294.
The spelling of 66892100 in words is "sixty-six million, eight hundred ninety-two thousand, one hundred".
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