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2749060 = 225137453
BaseRepresentation
bin1010011111001010000100
312011200000001
422133022010
51200432220
6134531044
732236516
oct12371204
95150001
102749060
111608456
12b06a84
13753382
14517bb6
1539480a
hex29f284

2749060 has 12 divisors (see below), whose sum is σ = 5773068. Its totient is φ = 1099616.

The previous prime is 2749031. The next prime is 2749067. The reversal of 2749060 is 609472.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 1887876 = 928^2 + 1374^2 .

It is not an unprimeable number, because it can be changed into a prime (2749067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68707 + ... + 68746.

It is an arithmetic number, because the mean of its divisors is an integer number (481089).

22749060 is an apocalyptic number.

2749060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2749060 is an abundant number, since it is smaller than the sum of its proper divisors (3024008).

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

2749060 is a wasteful number, since it uses less digits than its factorization.

2749060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137462 (or 137460 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2749060 is about 1658.0289502901. The cubic root of 2749060 is about 140.0860015804.

The spelling of 2749060 in words is "two million, seven hundred forty-nine thousand, sixty".

Divisors: 1 2 4 5 10 20 137453 274906 549812 687265 1374530 2749060