Search a number
-
+
281060 = 225132347
BaseRepresentation
bin1000100100111100100
3112021112122
41010213210
532443220
610005112
72250263
oct1044744
9467478
10281060
1118218a
12116798
139ac10
14745da
1558425
hex449e4

281060 has 48 divisors (see below), whose sum is σ = 677376. Its totient is φ = 97152.

The previous prime is 281053. The next prime is 281063. The reversal of 281060 is 60182.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281060.

It is not an unprimeable number, because it can be changed into a prime (281063) by changing a digit.

281060 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 15 ways as a sum of consecutive naturals, for example, 5957 + ... + 6003.

It is an arithmetic number, because the mean of its divisors is an integer number (14112).

2281060 is an apocalyptic number.

281060 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 281060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338688).

281060 is an abundant number, since it is smaller than the sum of its proper divisors (396316).

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

281060 is a wasteful number, since it uses less digits than its factorization.

281060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 281060 is about 530.1509219081. The cubic root of 281060 is about 65.5037777282.

The spelling of 281060 in words is "two hundred eighty-one thousand, sixty".

Divisors: 1 2 4 5 10 13 20 23 26 46 47 52 65 92 94 115 130 188 230 235 260 299 460 470 598 611 940 1081 1196 1222 1495 2162 2444 2990 3055 4324 5405 5980 6110 10810 12220 14053 21620 28106 56212 70265 140530 281060