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205048 = 2319271
BaseRepresentation
bin110010000011111000
3101102021101
4302003320
523030143
64221144
71512544
oct620370
9342241
10205048
11130068
129a7b4
137243c
1454a24
1540b4d
hex320f8

205048 has 24 divisors (see below), whose sum is σ = 411480. Its totient is φ = 95760.

The previous prime is 205043. The next prime is 205063. The reversal of 205048 is 840502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2853 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (17145).

2205048 is an apocalyptic number.

It is an amenable number.

205048 is an abundant number, since it is smaller than the sum of its proper divisors (206432).

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

205048 is a wasteful number, since it uses less digits than its factorization.

205048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 205048 is about 452.8222609369. The cubic root of 205048 is about 58.9682870843.

The spelling of 205048 in words is "two hundred five thousand, forty-eight".

Divisors: 1 2 4 8 19 38 71 76 142 152 284 361 568 722 1349 1444 2698 2888 5396 10792 25631 51262 102524 205048