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2742093 = 3497349
BaseRepresentation
bin1010011101011101001101
312011022110000
422131131031
51200221333
6134434513
732210304
oct12353515
95138400
102742093
1116031a2
12b02a39
13750153
1451543b
15392713
hex29d74d

2742093 has 20 divisors (see below), whose sum is σ = 4150300. Its totient is φ = 1804032.

The previous prime is 2742073. The next prime is 2742119. The reversal of 2742093 is 3902472.

It can be written as a sum of positive squares in 2 ways, for example, as 1633284 + 1108809 = 1278^2 + 1053^2 .

It is not a de Polignac number, because 2742093 - 26 = 2742029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742013) 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 19 ways as a sum of consecutive naturals, for example, 7683 + ... + 8031.

It is an arithmetic number, because the mean of its divisors is an integer number (207515).

22742093 is an apocalyptic number.

It is an amenable number.

2742093 is a deficient number, since it is larger than the sum of its proper divisors (1408207).

2742093 is an equidigital number, since it uses as much as digits as its factorization.

2742093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2742093 is about 1655.9266288094. The cubic root of 2742093 is about 139.9675605112.

The spelling of 2742093 in words is "two million, seven hundred forty-two thousand, ninety-three".

Divisors: 1 3 9 27 81 97 291 349 873 1047 2619 3141 7857 9423 28269 33853 101559 304677 914031 2742093