Base | Representation |
---|---|
bin | 10110101101111… |
… | …110111100100100 |
3 | 222120012120201000 |
4 | 112231332330210 |
5 | 1240033344220 |
6 | 101453233300 |
7 | 12305514261 |
oct | 2655767444 |
9 | 876176630 |
10 | 381153060 |
11 | 186172a32 |
12 | a7792830 |
13 | 60c72c72 |
14 | 3889a268 |
15 | 236de390 |
hex | 16b7ef24 |
381153060 has 96 divisors (see below), whose sum is σ = 1224115200. Its totient is φ = 98357760.
The previous prime is 381153049. The next prime is 381153067. The reversal of 381153060 is 60351183.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (381153067) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5356 + ... + 28124.
It is an arithmetic number, because the mean of its divisors is an integer number (12751200).
Almost surely, 2381153060 is an apocalyptic number.
381153060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 381153060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612057600).
381153060 is an abundant number, since it is smaller than the sum of its proper divisors (842962140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381153060 is a wasteful number, since it uses less digits than its factorization.
381153060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22818 (or 22810 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 381153060 is about 19523.1416529205. The cubic root of 381153060 is about 725.0475180904.
The spelling of 381153060 in words is "three hundred eighty-one million, one hundred fifty-three thousand, sixty".
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