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2793949 is a prime number
BaseRepresentation
bin1010101010000111011101
312020221120121
422222013131
51203401244
6135514541
732514424
oct12520735
95227517
102793949
111639154
12b28a51
1376a932
1452a2bb
153a2c84
hex2aa1dd

2793949 has 2 divisors, whose sum is σ = 2793950. Its totient is φ = 2793948.

The previous prime is 2793943. The next prime is 2793991. The reversal of 2793949 is 9493972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 783225 = 1418^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2793949 - 23 = 2793941 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2793941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396974 + 1396975.

It is an arithmetic number, because the mean of its divisors is an integer number (1396975).

22793949 is an apocalyptic number.

It is an amenable number.

2793949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2793949 is an equidigital number, since it uses as much as digits as its factorization.

2793949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 2793949 is about 1671.5109930838. The cubic root of 2793949 is about 140.8443699749.

The spelling of 2793949 in words is "two million, seven hundred ninety-three thousand, nine hundred forty-nine".