Base | Representation |
---|---|
bin | 1111010001111… |
… | …0001101101110 |
3 | 11110120221200200 |
4 | 3310132031232 |
5 | 112401240034 |
6 | 10205334330 |
7 | 1405505154 |
oct | 364361556 |
9 | 143527620 |
10 | 64086894 |
11 | 331a2483 |
12 | 195673a6 |
13 | 1037b251 |
14 | 87233d4 |
15 | 595da99 |
hex | 3d1e36e |
64086894 has 24 divisors (see below), whose sum is σ = 139445280. Its totient is φ = 21271488.
The previous prime is 64086887. The next prime is 64086917. The reversal of 64086894 is 49868046.
It is a happy number.
It is a congruent number.
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, 3147 + ... + 11750.
It is an arithmetic number, because the mean of its divisors is an integer number (5810220).
Almost surely, 264086894 is an apocalyptic number.
64086894 is an abundant number, since it is smaller than the sum of its proper divisors (75358386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64086894 is a wasteful number, since it uses less digits than its factorization.
64086894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15144 (or 15141 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 45.
The square root of 64086894 is about 8005.4290328501. The cubic root of 64086894 is about 400.1809472995.
It can be divided in two parts, 64086 and 894, that added together give a triangular number (64980 = T360).
The spelling of 64086894 in words is "sixty-four million, eighty-six thousand, eight hundred ninety-four".
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