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395029530 = 232576071033
BaseRepresentation
bin10111100010111…
…010110000011010
31000112022120122100
4113202322300122
51302111421110
6103110504230
712534460410
oct2742726032
91015276570
10395029530
11192a90595
12b0365076
1363ac10ac
143a66d2b0
1524a30bc0
hex178bac1a

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".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 607 630 1033 1214 1821 2066 3035 3099 3642 4249 5165 5463 6070 6198 7231 8498 9105 9297 10330 10926 12747 14462 15495 18210 18594 21245 21693 25494 27315 30990 36155 38241 42490 43386 46485 54630 63735 65079 72310 76482 92970 108465 127470 130158 191205 216930 325395 382410 627031 650790 1254062 1881093 3135155 3762186 4389217 5643279 6270310 8778434 9405465 11286558 13167651 18810930 21946085 26335302 28216395 39502953 43892170 56432790 65838255 79005906 131676510 197514765 395029530