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1069380 = 2232513457
BaseRepresentation
bin100000101000101000100
32000022220200
410011011010
5233210010
634530500
712042504
oct4050504
92008820
101069380
11670494
12436a30
132b5990
141dba04
15161cc0
hex105144

1069380 has 72 divisors (see below), whose sum is σ = 3500952. Its totient is φ = 262656.

The previous prime is 1069379. The next prime is 1069421. The reversal of 1069380 is 839601.

1069380 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 112896 + 956484 = 336^2 + 978^2 .

It is a super-2 number, since 2×10693802 = 2287147168800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2112 + ... + 2568.

21069380 is an apocalyptic number.

1069380 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 1069380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750476).

1069380 is an abundant number, since it is smaller than the sum of its proper divisors (2431572).

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

1069380 is a wasteful number, since it uses less digits than its factorization.

1069380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1069380 is about 1034.1083115419. The cubic root of 1069380 is about 102.2611531683.

The spelling of 1069380 in words is "one million, sixty-nine thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 457 468 585 780 914 1170 1371 1828 2285 2340 2742 4113 4570 5484 5941 6855 8226 9140 11882 13710 16452 17823 20565 23764 27420 29705 35646 41130 53469 59410 71292 82260 89115 106938 118820 178230 213876 267345 356460 534690 1069380