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1069404 = 223729439
BaseRepresentation
bin100000101000101011100
32000022221120
410011011130
5233210104
634530540
712042540
oct4050534
92008846
101069404
11670506
12436a50
132b59ab
141dba20
15161cd9
hex10515c

1069404 has 48 divisors (see below), whose sum is σ = 2956800. Its totient is φ = 294336.

The previous prime is 1069379. The next prime is 1069421. The reversal of 1069404 is 4049601.

It is a super-2 number, since 2×10694042 = 2287249830432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2217 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (61600).

21069404 is an apocalyptic number.

1069404 is a gapful number since it is divisible by the number (14) 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 1069404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478400).

1069404 is an abundant number, since it is smaller than the sum of its proper divisors (1887396).

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

1069404 is a wasteful number, since it uses less digits than its factorization.

1069404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1069404 is about 1034.1199156771. The cubic root of 1069404 is about 102.2619181753.

The spelling of 1069404 in words is "one million, sixty-nine thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 203 348 406 439 609 812 878 1218 1317 1756 2436 2634 3073 5268 6146 9219 12292 12731 18438 25462 36876 38193 50924 76386 89117 152772 178234 267351 356468 534702 1069404