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2073205 = 5414641
BaseRepresentation
bin111111010001001110101
310220022220101
413322021311
51012320310
6112234101
723423221
oct7721165
93808811
102073205
1111966a2
1283b931
13577864
143bd781
152ae43a
hex1fa275

2073205 has 4 divisors (see below), whose sum is σ = 2487852. Its totient is φ = 1658560.

The previous prime is 2073199. The next prime is 2073209. The reversal of 2073205 is 5023702.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5023702 = 22511851.

It can be written as a sum of positive squares in 2 ways, for example, as 1461681 + 611524 = 1209^2 + 782^2 .

It is not a de Polignac number, because 2073205 - 25 = 2073173 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 (2073209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207316 + ... + 207325.

It is an arithmetic number, because the mean of its divisors is an integer number (621963).

22073205 is an apocalyptic number.

It is an amenable number.

2073205 is a deficient number, since it is larger than the sum of its proper divisors (414647).

2073205 is an equidigital number, since it uses as much as digits as its factorization.

2073205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414646.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 2073205 is about 1439.8628406900. The cubic root of 2073205 is about 127.5109307558.

Adding to 2073205 its reverse (5023702), we get a palindrome (7096907).

It can be divided in two parts, 2073 and 205, that added together give a triangular number (2278 = T67).

The spelling of 2073205 in words is "two million, seventy-three thousand, two hundred five".

Divisors: 1 5 414641 2073205