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206484 = 22317207
BaseRepresentation
bin110010011010010100
3101111020120
4302122110
523101414
64231540
71516665
oct623224
9344216
10206484
11131153
129b5b0
1372ca5
145536c
15412a9
hex32694

206484 has 12 divisors (see below), whose sum is σ = 481824. Its totient is φ = 68824.

The previous prime is 206483. The next prime is 206489. The reversal of 206484 is 484602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206484.

It is not an unprimeable number, because it can be changed into a prime (206483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8592 + ... + 8615.

It is an arithmetic number, because the mean of its divisors is an integer number (40152).

2206484 is an apocalyptic number.

It is an amenable number.

206484 is an abundant number, since it is smaller than the sum of its proper divisors (275340).

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

206484 is a wasteful number, since it uses less digits than its factorization.

206484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17214 (or 17212 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 206484 is about 454.4051056051. The cubic root of 206484 is about 59.1056233036.

The spelling of 206484 in words is "two hundred six thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 17207 34414 51621 68828 103242 206484