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2136648 = 233127701
BaseRepresentation
bin1000001001101001001000
311000112221010
420021221020
51021333043
6113443520
724106203
oct10115110
94015833
102136648
11122a328
128705a0
1359a6b7
143d893a
152c3133
hex209a48

2136648 has 32 divisors (see below), whose sum is σ = 5391360. Its totient is φ = 705600.

The previous prime is 2136643. The next prime is 2136649. The reversal of 2136648 is 8466312.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2136643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698 + ... + 3398.

It is an arithmetic number, because the mean of its divisors is an integer number (168480).

22136648 is an apocalyptic number.

It is an amenable number.

2136648 is an abundant number, since it is smaller than the sum of its proper divisors (3254712).

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

2136648 is a wasteful number, since it uses less digits than its factorization.

2136648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 833 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 2136648 is about 1461.7277448280. The cubic root of 2136648 is about 128.7985558523.

The spelling of 2136648 in words is "two million, one hundred thirty-six thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 127 254 381 508 701 762 1016 1402 1524 2103 2804 3048 4206 5608 8412 16824 89027 178054 267081 356108 534162 712216 1068324 2136648