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2797389 = 33719241
BaseRepresentation
bin1010101010111101001101
312021010022000
422222331031
51204004024
6135542513
732530440
oct12527515
95233260
102797389
1116407a1
12b2aa39
1376c37a
1452b657
153a3cc9
hex2aaf4d

2797389 has 48 divisors (see below), whose sum is σ = 5120640. Its totient is φ = 1477440.

The previous prime is 2797387. The next prime is 2797391. The reversal of 2797389 is 9837972.

It is an interprime number because it is at equal distance from previous prime (2797387) and next prime (2797391).

It is not a de Polignac number, because 2797389 - 21 = 2797387 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797381) 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 47 ways as a sum of consecutive naturals, for example, 68209 + ... + 68249.

It is an arithmetic number, because the mean of its divisors is an integer number (106680).

22797389 is an apocalyptic number.

It is an amenable number.

2797389 is a deficient number, since it is larger than the sum of its proper divisors (2323251).

2797389 is a wasteful number, since it uses less digits than its factorization.

2797389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 70 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2797389 is about 1672.5396856278. The cubic root of 2797389 is about 140.9021503093.

The spelling of 2797389 in words is "two million, seven hundred ninety-seven thousand, three hundred eighty-nine".

Divisors: 1 3 7 9 19 21 27 41 57 63 123 133 171 189 287 361 369 399 513 779 861 1083 1107 1197 2337 2527 2583 3249 3591 5453 7011 7581 7749 9747 14801 16359 21033 22743 44403 49077 68229 103607 133209 147231 310821 399627 932463 2797389