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2528897 = 7361271
BaseRepresentation
bin1001101001011010000001
311202110222212
421221122001
51121411042
6130111505
730331610
oct11513201
94673885
102528897
111477aa8
12a1b595
136a70b7
1449b877
1534e482
hex269681

2528897 has 4 divisors (see below), whose sum is σ = 2890176. Its totient is φ = 2167620.

The previous prime is 2528893. The next prime is 2528899. The reversal of 2528897 is 7988252.

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 2528897 - 22 = 2528893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528891) 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, 180629 + ... + 180642.

It is an arithmetic number, because the mean of its divisors is an integer number (722544).

22528897 is an apocalyptic number.

It is an amenable number.

2528897 is a deficient number, since it is larger than the sum of its proper divisors (361279).

2528897 is an equidigital number, since it uses as much as digits as its factorization.

2528897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361278.

The product of its digits is 80640, while the sum is 41.

The square root of 2528897 is about 1590.2506091808. The cubic root of 2528897 is about 136.2418023853.

The spelling of 2528897 in words is "two million, five hundred twenty-eight thousand, eight hundred ninety-seven".

Divisors: 1 7 361271 2528897