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1105025 = 5244201
BaseRepresentation
bin100001101110010000001
32002010210212
410031302001
5240330100
635403505
712251435
oct4156201
92063725
101105025
11695249
12453595
132c8c7c
1420a9c5
1516c635
hex10dc81

1105025 has 6 divisors (see below), whose sum is σ = 1370262. Its totient is φ = 884000.

The previous prime is 1105019. The next prime is 1105033. The reversal of 1105025 is 5205011.

It can be written as a sum of positive squares in 3 ways, for example, as 4624 + 1100401 = 68^2 + 1049^2 .

It is not a de Polignac number, because 1105025 - 24 = 1105009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22076 + ... + 22125.

It is an arithmetic number, because the mean of its divisors is an integer number (228377).

21105025 is an apocalyptic number.

It is an amenable number.

1105025 is a deficient number, since it is larger than the sum of its proper divisors (265237).

1105025 is an equidigital number, since it uses as much as digits as its factorization.

1105025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44211 (or 44206 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1105025 is about 1051.2016933015. The cubic root of 1105025 is about 103.3849609051.

Subtracting from 1105025 its sum of digits (14), we obtain a palindrome (1105011).

The spelling of 1105025 in words is "one million, one hundred five thousand, twenty-five".

Divisors: 1 5 25 44201 221005 1105025