Search a number
-
+
1089260 = 225107509
BaseRepresentation
bin100001001111011101100
32001100011222
410021323230
5234324020
635202512
712154454
oct4117354
92040158
101089260
11684417
12446438
132c1a43
14204d64
15167b25
hex109eec

1089260 has 24 divisors (see below), whose sum is σ = 2313360. Its totient is φ = 430784.

The previous prime is 1089259. The next prime is 1089299. The reversal of 1089260 is 629801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (96390).

21089260 is an apocalyptic number.

1089260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089260 is an abundant number, since it is smaller than the sum of its proper divisors (1224100).

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

1089260 is a wasteful number, since it uses less digits than its factorization.

1089260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1089260 is about 1043.6761949954. The cubic root of 1089260 is about 102.8909519222.

The spelling of 1089260 in words is "one million, eighty-nine thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 107 214 428 509 535 1018 1070 2036 2140 2545 5090 10180 54463 108926 217852 272315 544630 1089260