Search a number
-
+
204038 = 2102019
BaseRepresentation
bin110001110100000110
3101100212222
4301310012
523012123
64212342
71506602
oct616406
9340788
10204038
1112a32a
129a0b2
1371b43
1454502
15406c8
hex31d06

204038 has 4 divisors (see below), whose sum is σ = 306060. Its totient is φ = 102018.

The previous prime is 204023. The next prime is 204047. The reversal of 204038 is 830402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830402 = 2415201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

204038 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51008 + ... + 51011.

It is an arithmetic number, because the mean of its divisors is an integer number (76515).

2204038 is an apocalyptic number.

204038 is a deficient number, since it is larger than the sum of its proper divisors (102022).

204038 is a wasteful number, since it uses less digits than its factorization.

204038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102021.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204038 is about 451.7056563737. The cubic root of 204038 is about 58.8713081230.

The spelling of 204038 in words is "two hundred four thousand, thirty-eight".

Divisors: 1 2 102019 204038