Base | Representation |
---|---|
bin | 10111000000110… |
… | …110110010100110 |
3 | 222220111221011110 |
4 | 113000312302212 |
5 | 1242320203030 |
6 | 102151245450 |
7 | 12365541054 |
oct | 2700666246 |
9 | 886457143 |
10 | 386100390 |
11 | 188a41a35 |
12 | a9379886 |
13 | 61cb5a90 |
14 | 393c71d4 |
15 | 23d6a1b0 |
hex | 17036ca6 |
386100390 has 32 divisors (see below), whose sum is σ = 997922016. Its totient is φ = 95040000.
The previous prime is 386100383. The next prime is 386100391. The reversal of 386100390 is 93001683.
It is a super-2 number, since 2×3861003902 = 298147022316304200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (386100391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494611 + ... + 495390.
It is an arithmetic number, because the mean of its divisors is an integer number (31185063).
Almost surely, 2386100390 is an apocalyptic number.
386100390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
386100390 is an abundant number, since it is smaller than the sum of its proper divisors (611821626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386100390 is a wasteful number, since it uses less digits than its factorization.
386100390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 990024.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 386100390 is about 19649.4373965261. The cubic root of 386100390 is about 728.1710580504.
The spelling of 386100390 in words is "three hundred eighty-six million, one hundred thousand, three hundred ninety".
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