Search a number
-
+
223928 = 23231217
BaseRepresentation
bin110110101010111000
3102101011122
4312222320
524131203
64444412
71621565
oct665270
9371148
10223928
11143271
12a9708
137ac03
145b86c
1546538
hex36ab8

223928 has 16 divisors (see below), whose sum is σ = 438480. Its totient is φ = 107008.

The previous prime is 223921. The next prime is 223939. The reversal of 223928 is 829322.

It is a junction number, because it is equal to n+sod(n) for n = 223897 and 223906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223921) 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, 425 + ... + 792.

It is an arithmetic number, because the mean of its divisors is an integer number (27405).

2223928 is an apocalyptic number.

It is an amenable number.

223928 is a deficient number, since it is larger than the sum of its proper divisors (214552).

223928 is a wasteful number, since it uses less digits than its factorization.

223928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1242 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 223928 is about 473.2103126518. The cubic root of 223928 is about 60.7252717638.

The spelling of 223928 in words is "two hundred twenty-three thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 23 46 92 184 1217 2434 4868 9736 27991 55982 111964 223928