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2742469 is a prime number
BaseRepresentation
bin1010011101100011000101
312011022221221
422131203011
51200224334
6134440341
732211352
oct12354305
95138857
102742469
111603504
12b030b1
13750382
14515629
153928b4
hex29d8c5

2742469 has 2 divisors, whose sum is σ = 2742470. Its totient is φ = 2742468.

The previous prime is 2742463. The next prime is 2742473. The reversal of 2742469 is 9642472.

2742469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 214369 = 1590^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742469 - 23 = 2742461 is a prime.

It is a super-2 number, since 2×27424692 = 15042272431922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2742461) 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 as a sum of consecutive naturals, namely, 1371234 + 1371235.

It is an arithmetic number, because the mean of its divisors is an integer number (1371235).

22742469 is an apocalyptic number.

It is an amenable number.

2742469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742469 is an equidigital number, since it uses as much as digits as its factorization.

2742469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 2742469 is about 1656.0401565180. The cubic root of 2742469 is about 139.9739577411.

The spelling of 2742469 in words is "two million, seven hundred forty-two thousand, four hundred sixty-nine".