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206494 = 223672
BaseRepresentation
bin110010011010011110
3101111020221
4302122132
523101434
64231554
71520011
oct623236
9344227
10206494
11131162
129b5ba
1372cb2
1455378
15412b4
hex3269e

206494 has 12 divisors (see below), whose sum is σ = 328104. Its totient is φ = 97284.

The previous prime is 206489. The next prime is 206501. The reversal of 206494 is 494602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3049 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (27342).

2206494 is an apocalyptic number.

206494 is a deficient number, since it is larger than the sum of its proper divisors (121610).

206494 is an equidigital number, since it uses as much as digits as its factorization.

206494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 206494 is about 454.4161088694. The cubic root of 206494 is about 59.1065774481.

The spelling of 206494 in words is "two hundred six thousand, four hundred ninety-four".

Divisors: 1 2 23 46 67 134 1541 3082 4489 8978 103247 206494