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2530389 = 36712589
BaseRepresentation
bin1001101001110001010101
311202120001010
421221301111
51121433024
6130122433
730336141
oct11516125
94676033
102530389
111479134
12a20419
136a7994
1449c221
1534eb29
hex269c55

2530389 has 8 divisors (see below), whose sum is σ = 3424480. Its totient is φ = 1661616.

The previous prime is 2530373. The next prime is 2530403. The reversal of 2530389 is 9830352.

It is a happy number.

2530389 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 not a de Polignac number, because 2530389 - 24 = 2530373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530309) 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, 6094 + ... + 6495.

It is an arithmetic number, because the mean of its divisors is an integer number (428060).

22530389 is an apocalyptic number.

It is an amenable number.

2530389 is a deficient number, since it is larger than the sum of its proper divisors (894091).

2530389 is a wasteful number, since it uses less digits than its factorization.

2530389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12659.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2530389 is about 1590.7196484610. The cubic root of 2530389 is about 136.2685904549.

The spelling of 2530389 in words is "two million, five hundred thirty thousand, three hundred eighty-nine".

Divisors: 1 3 67 201 12589 37767 843463 2530389