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1089082260 = 2237573557
BaseRepresentation
bin100000011101010…
…0001001110010100
32210220022010000000
41000322201032110
54212301113020
6300022451300
735663021640
oct10072411624
92726263000
101089082260
11509838692
12264893b30
1314482a496
14a48d9c20
156592b090
hex40ea1394

1089082260 has 192 divisors, whose sum is σ = 3921200640. Its totient is φ = 248863104.

The previous prime is 1089082207. The next prime is 1089082301. The reversal of 1089082260 is 622809801.

It is a super-4 number, since 4×10890822604 (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 304402 + ... + 307958.

It is an arithmetic number, because the mean of its divisors is an integer number (20422920).

Almost surely, 21089082260 is an apocalyptic number.

1089082260 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 1089082260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960600320).

1089082260 is an abundant number, since it is smaller than the sum of its proper divisors (2832118380).

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

1089082260 is an equidigital number, since it uses as much as digits as its factorization.

1089082260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594 (or 3574 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1089082260 is about 33001.2463401006. The cubic root of 1089082260 is about 1028.8535520745.

The spelling of 1089082260 in words is "one billion, eighty-nine million, eighty-two thousand, two hundred sixty".