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2530236 = 223210853
BaseRepresentation
bin1001101001101110111100
311202112211110
421221232330
51121431421
6130122020
730335532
oct11515674
94675743
102530236
111479005
12a20310
136a78a7
1449c152
1534ea76
hex269bbc

2530236 has 12 divisors (see below), whose sum is σ = 5903912. Its totient is φ = 843408.

The previous prime is 2530223. The next prime is 2530237. The reversal of 2530236 is 6320352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105415 + ... + 105438.

22530236 is an apocalyptic number.

It is an amenable number.

2530236 is an abundant number, since it is smaller than the sum of its proper divisors (3373676).

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

2530236 is a wasteful number, since it uses less digits than its factorization.

2530236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210860 (or 210858 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2530236 is about 1590.6715562931. The cubic root of 2530236 is about 136.2658439056.

Adding to 2530236 its reverse (6320352), we get a palindrome (8850588).

The spelling of 2530236 in words is "two million, five hundred thirty thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 210853 421706 632559 843412 1265118 2530236