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2743130 = 251321101
BaseRepresentation
bin1010011101101101011010
312011100212102
422131231122
51200240010
6134443402
732213315
oct12355532
95140772
102743130
111603a55
12b03562
13750770
1451597c
15392ba5
hex29db5a

2743130 has 16 divisors (see below), whose sum is σ = 5317704. Its totient is φ = 1012800.

The previous prime is 2743129. The next prime is 2743133. The reversal of 2743130 is 313472.

It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 1413721 = 1153^2 + 1189^2 .

It is not an unprimeable number, because it can be changed into a prime (2743133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10421 + ... + 10680.

22743130 is an apocalyptic number.

2743130 is a deficient number, since it is larger than the sum of its proper divisors (2574574).

2743130 is a wasteful number, since it uses less digits than its factorization.

2743130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2743130 is about 1656.2397169492. The cubic root of 2743130 is about 139.9852025176.

It can be divided in two parts, 2743 and 130, that multiplied together give a triangular number (356590 = T844).

The spelling of 2743130 in words is "two million, seven hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 21101 42202 105505 211010 274313 548626 1371565 2743130