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204246 = 23271621
BaseRepresentation
bin110001110111010110
3101101011200
4301313112
523013441
64213330
71510320
oct616726
9341150
10204246
1112a4a9
129a246
1371c73
1454610
15407b6
hex31dd6

204246 has 24 divisors (see below), whose sum is σ = 506064. Its totient is φ = 58320.

The previous prime is 204233. The next prime is 204251. The reversal of 204246 is 642402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 685 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (21086).

2204246 is an apocalyptic number.

204246 is an abundant number, since it is smaller than the sum of its proper divisors (301818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204246 is a wasteful number, since it uses less digits than its factorization.

204246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 204246 is about 451.9358361538. The cubic root of 204246 is about 58.8913061518.

Adding to 204246 its reverse (642402), we get a palindrome (846648).

The spelling of 204246 in words is "two hundred four thousand, two hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1621 3242 4863 9726 11347 14589 22694 29178 34041 68082 102123 204246