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204031051 = 724163899
BaseRepresentation
bin11000010100101…
…00010001001011
3112012220211222121
430022110101023
5404212443201
632125032111
75025143500
oct1412242113
9465824877
10204031051
11a5196604
12583b5637
1333369043
141d1514a7
1512da39a1
hexc29444b

204031051 has 6 divisors (see below), whose sum is σ = 237342300. Its totient is φ = 174883716.

The previous prime is 204031043. The next prime is 204031073. The reversal of 204031051 is 150130402.

It is not a de Polignac number, because 204031051 - 23 = 204031043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204031151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2081901 + ... + 2081998.

It is an arithmetic number, because the mean of its divisors is an integer number (39557050).

Almost surely, 2204031051 is an apocalyptic number.

204031051 is a deficient number, since it is larger than the sum of its proper divisors (33311249).

204031051 is an equidigital number, since it uses as much as digits as its factorization.

204031051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163913 (or 4163906 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 204031051 is about 14283.9438181477. The cubic root of 204031051 is about 588.7063978119.

Adding to 204031051 its reverse (150130402), we get a palindrome (354161453).

The spelling of 204031051 in words is "two hundred four million, thirty-one thousand, fifty-one".

Divisors: 1 7 49 4163899 29147293 204031051