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2530331 = 17251593
BaseRepresentation
bin1001101001110000011011
311202112221222
421221300123
51121432311
6130122255
730336026
oct11516033
94675858
102530331
111479091
12a2038b
136a794b
1449c1bd
1534eadb
hex269c1b

2530331 has 8 divisors (see below), whose sum is σ = 2694384. Its totient is φ = 2368000.

The previous prime is 2530321. The next prime is 2530351. The reversal of 2530331 is 1330352.

2530331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2530331 - 26 = 2530267 is a prime.

It is a super-2 number, since 2×25303312 = 12805149939122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3971 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (336798).

22530331 is an apocalyptic number.

2530331 is a deficient number, since it is larger than the sum of its proper divisors (164053).

2530331 is a wasteful number, since it uses less digits than its factorization.

2530331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 2530331 is about 1590.7014176143. The cubic root of 2530331 is about 136.2675492924.

Adding to 2530331 its reverse (1330352), we get a palindrome (3860683).

The spelling of 2530331 in words is "two million, five hundred thirty thousand, three hundred thirty-one".

Divisors: 1 17 251 593 4267 10081 148843 2530331