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2770045 = 55310453
BaseRepresentation
bin1010100100010001111101
312012201210021
422210101331
51202120140
6135212141
732354635
oct12442175
95181707
102770045
1116221a3
12b17051
1375caa5
145216c5
1539ab4a
hex2a447d

2770045 has 8 divisors (see below), whose sum is σ = 3387096. Its totient is φ = 2174016.

The previous prime is 2770043. The next prime is 2770087. The reversal of 2770045 is 5400772.

2770045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1315609 + 1454436 = 1147^2 + 1206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2770045 - 21 = 2770043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770043) 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 7 ways as a sum of consecutive naturals, for example, 4962 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (423387).

22770045 is an apocalyptic number.

It is an amenable number.

2770045 is a deficient number, since it is larger than the sum of its proper divisors (617051).

2770045 is a wasteful number, since it uses less digits than its factorization.

2770045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2770045 is about 1664.3452165942. The cubic root of 2770045 is about 140.4415481076.

The spelling of 2770045 in words is "two million, seven hundred seventy thousand, forty-five".

Divisors: 1 5 53 265 10453 52265 554009 2770045