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2655340 = 2251031289
BaseRepresentation
bin1010001000010001101100
311222220102221
422020101230
51134432330
6132525124
731366342
oct12102154
94886387
102655340
111553aa6
12a807a4
1371c80c
144d1992
15376b7a
hex28846c

2655340 has 24 divisors (see below), whose sum is σ = 5634720. Its totient is φ = 1051008.

The previous prime is 2655313. The next prime is 2655343. The reversal of 2655340 is 435562.

It is not an unprimeable number, because it can be changed into a prime (2655343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 2704.

It is an arithmetic number, because the mean of its divisors is an integer number (234780).

22655340 is an apocalyptic number.

2655340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655340 is an abundant number, since it is smaller than the sum of its proper divisors (2979380).

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

2655340 is a wasteful number, since it uses less digits than its factorization.

2655340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2655340 is about 1629.5214021301. The cubic root of 2655340 is about 138.4756394313.

The spelling of 2655340 in words is "two million, six hundred fifty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 1289 2060 2578 5156 6445 12890 25780 132767 265534 531068 663835 1327670 2655340