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1205442214 = 2602721107
BaseRepresentation
bin100011111011001…
…1001011010100110
310010000020210211221
41013312121122212
54432043122324
6315340450554
741605042534
oct10766313246
93100223757
101205442214
11569493639
12297849a5a
1316297b622
14b6149154
1570c630e4
hex47d996a6

1205442214 has 4 divisors (see below), whose sum is σ = 1808163324. Its totient is φ = 602721106.

The previous prime is 1205442209. The next prime is 1205442221. The reversal of 1205442214 is 4122445021.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301360552 + ... + 301360555.

It is an arithmetic number, because the mean of its divisors is an integer number (452040831).

Almost surely, 21205442214 is an apocalyptic number.

1205442214 is a deficient number, since it is larger than the sum of its proper divisors (602721110).

1205442214 is an equidigital number, since it uses as much as digits as its factorization.

1205442214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602721109.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1205442214 is about 34719.4788843381. The cubic root of 1205442214 is about 1064.2625954787.

Adding to 1205442214 its reverse (4122445021), we get a palindrome (5327887235).

The spelling of 1205442214 in words is "one billion, two hundred five million, four hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 602721107 1205442214