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2529289 = 7361327
BaseRepresentation
bin1001101001100000001001
311202111112101
421221200021
51121414124
6130113401
730333010
oct11514011
94674471
102529289
111478324
12a1b861
136a7329
1449ba77
1534e644
hex269809

2529289 has 4 divisors (see below), whose sum is σ = 2890624. Its totient is φ = 2167956.

The previous prime is 2529269. The next prime is 2529301. The reversal of 2529289 is 9829252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2529289 - 27 = 2529161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2529229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180657 + ... + 180670.

It is an arithmetic number, because the mean of its divisors is an integer number (722656).

22529289 is an apocalyptic number.

It is an amenable number.

2529289 is a deficient number, since it is larger than the sum of its proper divisors (361335).

2529289 is an equidigital number, since it uses as much as digits as its factorization.

2529289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361334.

The product of its digits is 25920, while the sum is 37.

The square root of 2529289 is about 1590.3738554189. The cubic root of 2529289 is about 136.2488415579.

Subtracting from 2529289 its sum of digits (37), we obtain a palindrome (2529252).

The spelling of 2529289 in words is "two million, five hundred twenty-nine thousand, two hundred eighty-nine".

Divisors: 1 7 361327 2529289