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204061 = 11131427
BaseRepresentation
bin110001110100011101
3101100220211
4301310131
523012221
64212421
71506634
oct616435
9340824
10204061
1112a350
129a111
1371b60
145451b
15406e1
hex31d1d

204061 has 8 divisors (see below), whose sum is σ = 239904. Its totient is φ = 171120.

The previous prime is 204059. The next prime is 204067. The reversal of 204061 is 160402.

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 204061 - 21 = 204059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204067) 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, 571 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (29988).

2204061 is an apocalyptic number.

204061 is the 286-th heptagonal number.

It is an amenable number.

204061 is a deficient number, since it is larger than the sum of its proper divisors (35843).

204061 is a wasteful number, since it uses less digits than its factorization.

204061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 204061 is about 451.7311147132. The cubic root of 204061 is about 58.8735201116.

Adding to 204061 its reverse (160402), we get a palindrome (364463).

The spelling of 204061 in words is "two hundred four thousand, sixty-one".

Divisors: 1 11 13 143 1427 15697 18551 204061