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228702 = 2347811
BaseRepresentation
bin110111110101011110
3102121201110
4313311132
524304302
64522450
71641525
oct676536
9377643
10228702
11146911
12b0426
1380136
145d4bc
1547b6c
hex37d5e

228702 has 16 divisors (see below), whose sum is σ = 467712. Its totient is φ = 74520.

The previous prime is 228677. The next prime is 228707. The reversal of 228702 is 207822.

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 228702.

It is not an unprimeable number, because it can be changed into a prime (228707) by changing a digit.

228702 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124 + ... + 687.

It is an arithmetic number, because the mean of its divisors is an integer number (29232).

2228702 is an apocalyptic number.

228702 is an abundant number, since it is smaller than the sum of its proper divisors (239010).

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

228702 is a wasteful number, since it uses less digits than its factorization.

228702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 228702 is about 478.2279791062. The cubic root of 228702 is about 61.1537820132.

The spelling of 228702 in words is "two hundred twenty-eight thousand, seven hundred two".

Divisors: 1 2 3 6 47 94 141 282 811 1622 2433 4866 38117 76234 114351 228702