Base | Representation |
---|---|
bin | 10111000010010… |
… | …010000100001010 |
3 | 222221012221000010 |
4 | 113002102010022 |
5 | 1242414134000 |
6 | 102203252350 |
7 | 12401656041 |
oct | 2702220412 |
9 | 887187003 |
10 | 386474250 |
11 | 189177908 |
12 | a951a0b6 |
13 | 620b6cb6 |
14 | 39483558 |
15 | 23de0d50 |
hex | 1709210a |
386474250 has 128 divisors (see below), whose sum is σ = 1044276480. Its totient is φ = 94867200.
The previous prime is 386474203. The next prime is 386474261. The reversal of 386474250 is 52474683.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 386474199 and 386474208.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 526884 + ... + 527616.
It is an arithmetic number, because the mean of its divisors is an integer number (8158410).
Almost surely, 2386474250 is an apocalyptic number.
386474250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 386474250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522138240).
386474250 is an abundant number, since it is smaller than the sum of its proper divisors (657802230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386474250 is a wasteful number, since it uses less digits than its factorization.
386474250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 809 (or 799 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 39.
The square root of 386474250 is about 19658.9483442019. The cubic root of 386474250 is about 728.4060109436.
The spelling of 386474250 in words is "three hundred eighty-six million, four hundred seventy-four thousand, two hundred fifty".
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