Search a number
-
+
1089080 = 235191433
BaseRepresentation
bin100001001111000111000
32001022221022
410021320320
5234322310
635202012
712154106
oct4117070
92038838
101089080
11684273
12446308
132c1935
14204c76
15167a55
hex109e38

1089080 has 32 divisors (see below), whose sum is σ = 2581200. Its totient is φ = 412416.

The previous prime is 1089047. The next prime is 1089091. The reversal of 1089080 is 809801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44 + ... + 1476.

21089080 is an apocalyptic number.

1089080 is a gapful number since it is divisible by the number (10) 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 1089080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290600).

1089080 is an abundant number, since it is smaller than the sum of its proper divisors (1492120).

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

1089080 is a wasteful number, since it uses less digits than its factorization.

1089080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1089080 is about 1043.5899577899. The cubic root of 1089080 is about 102.8852840402.

The spelling of 1089080 in words is "one million, eighty-nine thousand, eighty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 1433 2866 5732 7165 11464 14330 27227 28660 54454 57320 108908 136135 217816 272270 544540 1089080