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204103133 = 1361257381
BaseRepresentation
bin11000010101001…
…01110111011101
3112020001111212022
430022211313131
5404222300013
632130345525
75025563603
oct1412456735
9466044768
10204103133
11a5235783
125842b2a5
1333392ab0
141d16d873
1512dba008
hexc2a5ddd

204103133 has 8 divisors (see below), whose sum is σ = 223407576. Its totient is φ = 185313600.

The previous prime is 204103129. The next prime is 204103147. The reversal of 204103133 is 331301402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1951609 + 202151524 = 1397^2 + 14218^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 204103133 - 22 = 204103129 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 (204103733) 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, 127898 + ... + 129483.

It is an arithmetic number, because the mean of its divisors is an integer number (27925947).

Almost surely, 2204103133 is an apocalyptic number.

It is an amenable number.

204103133 is a deficient number, since it is larger than the sum of its proper divisors (19304443).

204103133 is a wasteful number, since it uses less digits than its factorization.

204103133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257455.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 204103133 is about 14286.4667780386. The cubic root of 204103133 is about 588.7757175520.

Adding to 204103133 its reverse (331301402), we get a palindrome (535404535).

The spelling of 204103133 in words is "two hundred four million, one hundred three thousand, one hundred thirty-three".

Divisors: 1 13 61 793 257381 3345953 15700241 204103133