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3085530 = 235722099
BaseRepresentation
bin1011110001010011011010
312210202112220
423301103122
51242214110
6150044510
735140500
oct13612332
95722486
103085530
111818228
121049736
13840576
145a4670
1540e370
hex2f14da

3085530 has 48 divisors (see below), whose sum is σ = 8618400. Its totient is φ = 704928.

The previous prime is 3085499. The next prime is 3085531. The reversal of 3085530 is 355803.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3085530.

It is not an unprimeable number, because it can be changed into a prime (3085531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

Almost surely, 23085530 is an apocalyptic number.

3085530 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 3085530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4309200).

3085530 is an abundant number, since it is smaller than the sum of its proper divisors (5532870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3085530 is a wasteful number, since it uses less digits than its factorization.

3085530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3085530 is about 1756.5676758952. The cubic root of 3085530 is about 145.5827519016.

The spelling of 3085530 in words is "three million, eighty-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 2099 4198 6297 10495 12594 14693 20990 29386 31485 44079 62970 73465 88158 102851 146930 205702 220395 308553 440790 514255 617106 1028510 1542765 3085530