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2665230 = 235731217
BaseRepresentation
bin1010001010101100001110
312000102000020
422022230032
51140241410
6133043010
731440231
oct12125416
95012006
102665230
111560477
12a86466
13724179
144d5418
15379a70
hex28ab0e

2665230 has 32 divisors (see below), whose sum is σ = 6489504. Its totient is φ = 700416.

The previous prime is 2665199. The next prime is 2665231. The reversal of 2665230 is 325662.

It is a d-powerful number, because it can be written as 213 + 67 + 67 + 5 + 221 + 32 + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 2665230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1582 + ... + 2798.

It is an arithmetic number, because the mean of its divisors is an integer number (202797).

22665230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3244752).

2665230 is an abundant number, since it is smaller than the sum of its proper divisors (3824274).

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

2665230 is a wasteful number, since it uses less digits than its factorization.

2665230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2665230 is about 1632.5532150592. The cubic root of 2665230 is about 138.6473471708.

It can be divided in two parts, 26 and 65230, that added together give a palindrome (65256).

The spelling of 2665230 in words is "two million, six hundred sixty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 1217 2190 2434 3651 6085 7302 12170 18255 36510 88841 177682 266523 444205 533046 888410 1332615 2665230