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2755445 = 571117421
BaseRepresentation
bin1010100000101101110101
312011222202112
422200231311
51201133240
6135020405
732264240
oct12405565
95158675
102755445
111612230
12b0a705
13756254
1451a257
15396665
hex2a0b75

2755445 has 32 divisors (see below), whose sum is σ = 4375296. Its totient is φ = 1612800.

The previous prime is 2755429. The next prime is 2755447. The reversal of 2755445 is 5445572.

2755445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2755445 - 24 = 2755429 is a prime.

It is a Duffinian number.

2755445 is a modest number, since divided by 5445 gives 275 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755447) 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 31 ways as a sum of consecutive naturals, for example, 6335 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (136728).

22755445 is an apocalyptic number.

It is an amenable number.

2755445 is a deficient number, since it is larger than the sum of its proper divisors (1619851).

2755445 is a wasteful number, since it uses less digits than its factorization.

2755445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 28000, while the sum is 32.

The square root of 2755445 is about 1659.9533125965. The cubic root of 2755445 is about 140.1943728693.

The spelling of 2755445 in words is "two million, seven hundred fifty-five thousand, four hundred forty-five".

Divisors: 1 5 7 11 17 35 55 77 85 119 187 385 421 595 935 1309 2105 2947 4631 6545 7157 14735 23155 32417 35785 50099 78727 162085 250495 393635 551089 2755445