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239888 = 24112947
BaseRepresentation
bin111010100100010000
3110012001202
4322210100
530134023
65050332
72016245
oct724420
9405052
10239888
11154260
12b69a8
138525c
14635cc
154b128
hex3a910

239888 has 40 divisors (see below), whose sum is σ = 535680. Its totient is φ = 103040.

The previous prime is 239879. The next prime is 239893. The reversal of 239888 is 888932.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 239888.

It is an unprimeable number.

239888 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (13392).

2239888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267840).

239888 is an abundant number, since it is smaller than the sum of its proper divisors (295792).

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

239888 is a wasteful number, since it uses less digits than its factorization.

239888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 89 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 239888 is about 489.7836256961. The cubic root of 239888 is about 62.1349816694.

The spelling of 239888 in words is "two hundred thirty-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 29 44 47 58 88 94 116 176 188 232 319 376 464 517 638 752 1034 1276 1363 2068 2552 2726 4136 5104 5452 8272 10904 14993 21808 29986 59972 119944 239888