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2132005 = 5426401
BaseRepresentation
bin1000001000100000100101
311000022120011
420020200211
51021211010
6113410221
724056521
oct10104045
94008504
102132005
111226897
12869971
13598555
143d6d81
152c1a8a
hex208825

2132005 has 4 divisors (see below), whose sum is σ = 2558412. Its totient is φ = 1705600.

The previous prime is 2132003. The next prime is 2132023. The reversal of 2132005 is 5002312.

Adding to 2132005 its reverse (5002312), we get a palindrome (7134317).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 1252161 = 938^2 + 1119^2 .

It is not a de Polignac number, because 2132005 - 21 = 2132003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132003) 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, 213196 + ... + 213205.

It is an arithmetic number, because the mean of its divisors is an integer number (639603).

22132005 is an apocalyptic number.

It is an amenable number.

2132005 is a deficient number, since it is larger than the sum of its proper divisors (426407).

2132005 is an equidigital number, since it uses as much as digits as its factorization.

2132005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426406.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2132005 is about 1460.1386920426. The cubic root of 2132005 is about 128.7051938222.

The spelling of 2132005 in words is "two million, one hundred thirty-two thousand, five".

Divisors: 1 5 426401 2132005