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385335530 = 25174122133
BaseRepresentation
bin10110111101111…
…100000011101010
3222212002001222022
4112331330003222
51242121214110
6102123024442
712356204126
oct2675740352
9885061868
10385335530
1118856a318
12a906b122
1361aa88b8
1439268586
1523c68755
hex16f7c0ea

385335530 has 16 divisors (see below), whose sum is σ = 694033704. Its totient is φ = 154038720.

The previous prime is 385335497. The next prime is 385335553. The reversal of 385335530 is 35533583.

It can be written as a sum of positive squares in 4 ways, for example, as 168922009 + 216413521 = 12997^2 + 14711^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6344 + ... + 28476.

Almost surely, 2385335530 is an apocalyptic number.

385335530 is a deficient number, since it is larger than the sum of its proper divisors (308698174).

385335530 is a wasteful number, since it uses less digits than its factorization.

385335530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23881.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 385335530 is about 19629.9651044010. The cubic root of 385335530 is about 727.6899076339.

The spelling of 385335530 in words is "three hundred eighty-five million, three hundred thirty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 1741 3482 8705 17410 22133 44266 110665 221330 38533553 77067106 192667765 385335530