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2528965 = 52321991
BaseRepresentation
bin1001101001011011000101
311202111002101
421221123011
51121411330
6130112101
730332035
oct11513305
94674071
102528965
11147805a
12a1b631
136a713a
1449b8c5
1534e4ca
hex2696c5

2528965 has 8 divisors (see below), whose sum is σ = 3166848. Its totient is φ = 1935120.

The previous prime is 2528941. The next prime is 2528969. The reversal of 2528965 is 5698252.

It is a happy number.

2528965 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 de Polignac number, because none of the positive numbers 2k-2528965 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528969) 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, 10881 + ... + 11110.

It is an arithmetic number, because the mean of its divisors is an integer number (395856).

22528965 is an apocalyptic number.

It is an amenable number.

2528965 is a deficient number, since it is larger than the sum of its proper divisors (637883).

2528965 is a wasteful number, since it uses less digits than its factorization.

2528965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22019.

The product of its digits is 43200, while the sum is 37.

The square root of 2528965 is about 1590.2719893150. The cubic root of 2528965 is about 136.2430235184.

The spelling of 2528965 in words is "two million, five hundred twenty-eight thousand, nine hundred sixty-five".

Divisors: 1 5 23 115 21991 109955 505793 2528965