Base | Representation |
---|---|
bin | 1111110110010… |
… | …0000011001110 |
3 | 11122002000211100 |
4 | 3331210003032 |
5 | 114004020334 |
6 | 10332403530 |
7 | 1434662235 |
oct | 375440316 |
9 | 148060740 |
10 | 66470094 |
11 | 3457aa69 |
12 | 1a3165a6 |
13 | 10a03c22 |
14 | 8b83b1c |
15 | 5c7ec99 |
hex | 3f640ce |
66470094 has 48 divisors (see below), whose sum is σ = 152380800. Its totient is φ = 20882448.
The previous prime is 66470087. The next prime is 66470111. The reversal of 66470094 is 49007466.
66470094 is a `hidden beast` number, since 6 + 647 + 0 + 0 + 9 + 4 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89577 + ... + 90315.
It is an arithmetic number, because the mean of its divisors is an integer number (3174600).
Almost surely, 266470094 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 66470094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76190400).
66470094 is an abundant number, since it is smaller than the sum of its proper divisors (85910706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66470094 is a wasteful number, since it uses less digits than its factorization.
66470094 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1029 (or 1026 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 66470094 is about 8152.9193544399. The cubic root of 66470094 is about 405.0812091381.
The spelling of 66470094 in words is "sixty-six million, four hundred seventy thousand, ninety-four".
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