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2053505 = 5410701
BaseRepresentation
bin111110101010110000001
310212022212202
413311112001
51011203010
6112002545
723311616
oct7652601
93768782
102053505
111182913
12830455
1356b8bc
143b650d
152a86a5
hex1f5581

2053505 has 4 divisors (see below), whose sum is σ = 2464212. Its totient is φ = 1642800.

The previous prime is 2053459. The next prime is 2053507. The reversal of 2053505 is 5053502.

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 744769 + 1308736 = 863^2 + 1144^2 .

It is not a de Polignac number, because 2053505 - 212 = 2049409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205346 + ... + 205355.

It is an arithmetic number, because the mean of its divisors is an integer number (616053).

22053505 is an apocalyptic number.

It is an amenable number.

2053505 is a deficient number, since it is larger than the sum of its proper divisors (410707).

2053505 is an equidigital number, since it uses as much as digits as its factorization.

2053505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410706.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 2053505 is about 1433.0055826828. The cubic root of 2053505 is about 127.1057667704.

The spelling of 2053505 in words is "two million, fifty-three thousand, five hundred five".

Divisors: 1 5 410701 2053505