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248860 = 22523541
BaseRepresentation
bin111100110000011100
3110122101001
4330300130
530430420
65200044
72054353
oct746034
9418331
10248860
1115aa77
12100024
1389371
146699a
154db0a
hex3cc1c

248860 has 24 divisors (see below), whose sum is σ = 546336. Its totient is φ = 95040.

The previous prime is 248851. The next prime is 248861. The reversal of 248860 is 68842.

248860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 14.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248861) by changing a digit.

248860 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (22764).

2248860 is an apocalyptic number.

248860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273168).

248860 is an abundant number, since it is smaller than the sum of its proper divisors (297476).

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

248860 is a wasteful number, since it uses less digits than its factorization.

248860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 248860 is about 498.8586974284. The cubic root of 248860 is about 62.9001525790.

Subtracting from 248860 its sum of digits (28), we obtain a 5-th power (248832 = 125).

The spelling of 248860 in words is "two hundred forty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 541 1082 2164 2705 5410 10820 12443 24886 49772 62215 124430 248860