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204103415 = 5192148457
BaseRepresentation
bin11000010101001…
…01111011110111
3112020001112020202
430022211323313
5404222302130
632130351115
75025564455
oct1412457367
9466045222
10204103415
11a5235a0a
125842b49b
1333392c69
141d16d9d5
1512dba145
hexc2a5ef7

204103415 has 8 divisors (see below), whose sum is σ = 257814960. Its totient is φ = 154688832.

The previous prime is 204103399. The next prime is 204103429. The reversal of 204103415 is 514301402.

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 204103415 - 24 = 204103399 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 1074134 + ... + 1074323.

It is an arithmetic number, because the mean of its divisors is an integer number (32226870).

Almost surely, 2204103415 is an apocalyptic number.

204103415 is a deficient number, since it is larger than the sum of its proper divisors (53711545).

204103415 is a wasteful number, since it uses less digits than its factorization.

204103415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148481.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204103415 is about 14286.4766475153. The cubic root of 204103415 is about 588.7759887134.

Adding to 204103415 its reverse (514301402), we get a palindrome (718404817).

The spelling of 204103415 in words is "two hundred four million, one hundred three thousand, four hundred fifteen".

Divisors: 1 5 19 95 2148457 10742285 40820683 204103415