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228954 = 23113469
BaseRepresentation
bin110111111001011010
3102122001210
4313321122
524311304
64523550
71642335
oct677132
9378053
10228954
11147020
12b05b6
138029b
145d61c
1547c89
hex37e5a

228954 has 16 divisors (see below), whose sum is σ = 499680. Its totient is φ = 69360.

The previous prime is 228953. The next prime is 228959. The reversal of 228954 is 459822.

228954 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (228953) 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, 1669 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (31230).

2228954 is an apocalyptic number.

228954 is an abundant number, since it is smaller than the sum of its proper divisors (270726).

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

228954 is a wasteful number, since it uses less digits than its factorization.

228954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485.

The product of its digits is 5760, while the sum is 30.

The square root of 228954 is about 478.4913792327. The cubic root of 228954 is about 61.1762349524.

The spelling of 228954 in words is "two hundred twenty-eight thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 66 3469 6938 10407 20814 38159 76318 114477 228954