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204440055 = 3513629337
BaseRepresentation
bin11000010111110…
…00000111110111
3112020200122000220
430023320013313
5404314040210
632141505423
75031466101
oct1413700767
9466618026
10204440055
11a5445926
1258572273
1333480261
141d21a571
1512e34c70
hexc2f81f7

204440055 has 8 divisors (see below), whose sum is σ = 327104112. Its totient is φ = 109034688.

The previous prime is 204440051. The next prime is 204440081. The reversal of 204440055 is 550044402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204440055 - 22 = 204440051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204440051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6814654 + ... + 6814683.

It is an arithmetic number, because the mean of its divisors is an integer number (40888014).

Almost surely, 2204440055 is an apocalyptic number.

204440055 is a deficient number, since it is larger than the sum of its proper divisors (122664057).

204440055 is a wasteful number, since it uses less digits than its factorization.

204440055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13629345.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 204440055 is about 14298.2535646840. The cubic root of 204440055 is about 589.0995120897.

Adding to 204440055 its reverse (550044402), we get a palindrome (754484457).

The spelling of 204440055 in words is "two hundred four million, four hundred forty thousand, fifty-five".

Divisors: 1 3 5 15 13629337 40888011 68146685 204440055