Base | Representation |
---|---|
bin | 10111100010111… |
… | …010110000011010 |
3 | 1000112022120122100 |
4 | 113202322300122 |
5 | 1302111421110 |
6 | 103110504230 |
7 | 12534460410 |
oct | 2742726032 |
9 | 1015276570 |
10 | 395029530 |
11 | 192a90595 |
12 | b0365076 |
13 | 63ac10ac |
14 | 3a66d2b0 |
15 | 24a30bc0 |
hex | 178bac1a |
395029530 has 96 divisors (see below), whose sum is σ = 1176873984. Its totient is φ = 90056448.
The previous prime is 395029529. The next prime is 395029543. The reversal of 395029530 is 35920593.
395029530 is a `hidden beast` number, since 39 + 502 + 95 + 30 = 666.
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, 381894 + ... + 382926.
It is an arithmetic number, because the mean of its divisors is an integer number (12259104).
Almost surely, 2395029530 is an apocalyptic number.
395029530 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 395029530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588436992).
395029530 is an abundant number, since it is smaller than the sum of its proper divisors (781844454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395029530 is a wasteful number, since it uses less digits than its factorization.
395029530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1660 (or 1657 counting only the distinct ones).
The product of its (nonzero) digits is 36450, while the sum is 36.
The square root of 395029530 is about 19875.3498082424. The cubic root of 395029530 is about 733.7416759318.
The spelling of 395029530 in words is "three hundred ninety-five million, twenty-nine thousand, five hundred thirty".
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