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204201471 = 368067157
BaseRepresentation
bin11000010101111…
…01110111111111
3112020020111202110
430022331313333
5404233421341
632132425103
75026453365
oct1412756777
9466214673
10204201471
11a52a2651
1258478193
13333c8796
141d197635
1512dd9216
hexc2bddff

204201471 has 4 divisors (see below), whose sum is σ = 272268632. Its totient is φ = 136134312.

The previous prime is 204201463. The next prime is 204201523. The reversal of 204201471 is 174102402.

It is a happy number.

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

It is not a de Polignac number, because 204201471 - 23 = 204201463 is a prime.

It is a super-3 number, since 3×2042014713 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204201871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34033576 + ... + 34033581.

It is an arithmetic number, because the mean of its divisors is an integer number (68067158).

Almost surely, 2204201471 is an apocalyptic number.

204201471 is a deficient number, since it is larger than the sum of its proper divisors (68067161).

204201471 is an equidigital number, since it uses as much as digits as its factorization.

204201471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68067160.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 204201471 is about 14289.9080123001. The cubic root of 204201471 is about 588.8702608179.

Adding to 204201471 its reverse (174102402), we get a palindrome (378303873).

The spelling of 204201471 in words is "two hundred four million, two hundred one thousand, four hundred seventy-one".

Divisors: 1 3 68067157 204201471