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1328936 = 237191249
BaseRepresentation
bin101000100011100101000
32111111221212
411010130220
5320011221
644252252
714203310
oct5043450
92444855
101328936
118284a4
12541088
13376b6b
14268440
151b3b5b
hex144728

1328936 has 32 divisors (see below), whose sum is σ = 3000000. Its totient is φ = 539136.

The previous prime is 1328927. The next prime is 1328953. The reversal of 1328936 is 6398231.

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, 440 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (93750).

21328936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500000).

1328936 is an abundant number, since it is smaller than the sum of its proper divisors (1671064).

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

1328936 is a wasteful number, since it uses less digits than its factorization.

1328936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1277 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 1328936 is about 1152.7948646659. The cubic root of 1328936 is about 109.9431110796.

The spelling of 1328936 in words is "one million, three hundred twenty-eight thousand, nine hundred thirty-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 1249 2498 4996 8743 9992 17486 23731 34972 47462 69944 94924 166117 189848 332234 664468 1328936