Base | Representation |
---|---|
bin | 10110101101011… |
… | …011011011100000 |
3 | 222112221012011000 |
4 | 112231123123200 |
5 | 1240014220314 |
6 | 101450152000 |
7 | 12304340166 |
oct | 2655333340 |
9 | 875835130 |
10 | 381007584 |
11 | 186083701 |
12 | a7722600 |
13 | 60c21999 |
14 | 3885d236 |
15 | 236b1209 |
hex | 16b5b6e0 |
381007584 has 96 divisors (see below), whose sum is σ = 1127105280. Its totient is φ = 125193600.
The previous prime is 381007567. The next prime is 381007603. The reversal of 381007584 is 485700183.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58239 + ... + 64449.
It is an arithmetic number, because the mean of its divisors is an integer number (11740680).
Almost surely, 2381007584 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 381007584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563552640).
381007584 is an abundant number, since it is smaller than the sum of its proper divisors (746097696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381007584 is a wasteful number, since it uses less digits than its factorization.
381007584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6301 (or 6287 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 381007584 is about 19519.4155650214. The cubic root of 381007584 is about 724.9552625585.
The spelling of 381007584 in words is "three hundred eighty-one million, seven thousand, five hundred eighty-four".
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