Base | Representation |
---|---|
bin | 10110101010101… |
… | …001100111010010 |
3 | 222111120012001200 |
4 | 112222221213102 |
5 | 1234322414000 |
6 | 101422412030 |
7 | 12265214601 |
oct | 2652514722 |
9 | 874505050 |
10 | 380279250 |
11 | 18572647a |
12 | a7431016 |
13 | 60a28310 |
14 | 3870da38 |
15 | 235ba500 |
hex | 16aa99d2 |
380279250 has 96 divisors (see below), whose sum is σ = 1107458352. Its totient is φ = 93600000.
The previous prime is 380279231. The next prime is 380279261. The reversal of 380279250 is 52972083.
It is a happy number.
380279250 is a `hidden beast` number, since 380 + 27 + 9 + 250 = 666.
380279250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 45279441 + 334999809 = 6729^2 + 18303^2 .
It is a super-2 number, since 2×3802792502 = 289224615961125000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22750 + ... + 35750.
Almost surely, 2380279250 is an apocalyptic number.
380279250 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 380279250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553729176).
380279250 is an abundant number, since it is smaller than the sum of its proper divisors (727179102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380279250 is a wasteful number, since it uses less digits than its factorization.
380279250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13037 (or 13024 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 380279250 is about 19500.7499855775. The cubic root of 380279250 is about 724.4930264651.
The spelling of 380279250 in words is "three hundred eighty million, two hundred seventy-nine thousand, two hundred fifty".
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