Search a number
-
+
204398929 = 732299043
BaseRepresentation
bin11000010111011…
…10000101010001
3112020121112121201
430023232011101
5404311231204
632140551201
75031235150
oct1413560521
9466545551
10204398929
11a5417a39
1258552501
1333467617
141d209597
1512e279a4
hexc2ee151

204398929 has 8 divisors (see below), whose sum is σ = 233696960. Its totient is φ = 175125456.

The previous prime is 204398927. The next prime is 204398947. The reversal of 204398929 is 929893402.

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 204398929 - 21 = 204398927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204398927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18082 + ... + 27124.

It is an arithmetic number, because the mean of its divisors is an integer number (29212120).

Almost surely, 2204398929 is an apocalyptic number.

It is an amenable number.

204398929 is a deficient number, since it is larger than the sum of its proper divisors (29298031).

204398929 is an equidigital number, since it uses as much as digits as its factorization.

204398929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 204398929 is about 14296.8153446843. The cubic root of 204398929 is about 589.0600075493.

The spelling of 204398929 in words is "two hundred four million, three hundred ninety-eight thousand, nine hundred twenty-nine".

Divisors: 1 7 3229 9043 22603 63301 29199847 204398929