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2642875 = 5321143
BaseRepresentation
bin1010000101001110111011
311222021100021
422011032323
51134033000
6132351311
731315114
oct12051673
94867307
102642875
1115456a4
12a75537
13716c41
144cb20b
1537311a
hex2853bb

2642875 has 8 divisors (see below), whose sum is σ = 3298464. Its totient is φ = 2114200.

The previous prime is 2642869. The next prime is 2642879. The reversal of 2642875 is 5782462.

It is not a de Polignac number, because 2642875 - 219 = 2118587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642875.

It is not an unprimeable number, because it can be changed into a prime (2642879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10447 + ... + 10696.

It is an arithmetic number, because the mean of its divisors is an integer number (412308).

22642875 is an apocalyptic number.

2642875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2642875 is a deficient number, since it is larger than the sum of its proper divisors (655589).

2642875 is an equidigital number, since it uses as much as digits as its factorization.

2642875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21158 (or 21148 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 2642875 is about 1625.6921602813. The cubic root of 2642875 is about 138.2586167698.

The spelling of 2642875 in words is "two million, six hundred forty-two thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 21143 105715 528575 2642875