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2065240 = 23551631
BaseRepresentation
bin111111000001101011000
310212220222101
413320031120
51012041430
6112133144
723361052
oct7701530
93786871
102065240
111190711
128371b4
13574048
143ba8d2
152abdca
hex1f8358

2065240 has 16 divisors (see below), whose sum is σ = 4646880. Its totient is φ = 826080.

The previous prime is 2065213. The next prime is 2065241. The reversal of 2065240 is 425602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25776 + ... + 25855.

It is an arithmetic number, because the mean of its divisors is an integer number (290430).

22065240 is an apocalyptic number.

2065240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065240 is an abundant number, since it is smaller than the sum of its proper divisors (2581640).

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

2065240 is a wasteful number, since it uses less digits than its factorization.

2065240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51642 (or 51638 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2065240 is about 1437.0942905739. The cubic root of 2065240 is about 127.3474273908.

The spelling of 2065240 in words is "two million, sixty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 51631 103262 206524 258155 413048 516310 1032620 2065240