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204134441 = 7223917431
BaseRepresentation
bin11000010101011…
…01100000101001
3112020010002210212
430022231200221
5404224300231
632131150505
75026054100
oct1412554051
9466102725
10204134441
11a5257255
1258445435
13333a4114
141d17b037
1512dc442b
hexc2ad829

204134441 has 12 divisors (see below), whose sum is σ = 238469760. Its totient is φ = 174230280.

The previous prime is 204134401. The next prime is 204134467. The reversal of 204134441 is 144431402.

It is a happy number.

It is not a de Polignac number, because 204134441 - 218 = 203872297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204134401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2996 + ... + 20426.

It is an arithmetic number, because the mean of its divisors is an integer number (19872480).

Almost surely, 2204134441 is an apocalyptic number.

It is an amenable number.

204134441 is a deficient number, since it is larger than the sum of its proper divisors (34335319).

204134441 is a wasteful number, since it uses less digits than its factorization.

204134441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17684 (or 17677 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 204134441 is about 14287.5624583062. The cubic root of 204134441 is about 588.8058207119.

Adding to 204134441 its reverse (144431402), we get a palindrome (348565843).

The spelling of 204134441 in words is "two hundred four million, one hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 7 49 239 1673 11711 17431 122017 854119 4166009 29162063 204134441