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2793481 is a prime number
BaseRepresentation
bin1010101010000000001001
312020220221021
422222000021
51203342411
6135512441
732513155
oct12520011
95226837
102793481
111638869
12b28721
1376a662
1452a065
153a2a71
hex2aa009

2793481 has 2 divisors, whose sum is σ = 2793482. Its totient is φ = 2793480.

The previous prime is 2793467. The next prime is 2793499. The reversal of 2793481 is 1843972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2325625 + 467856 = 1525^2 + 684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2793481 is a prime.

It is a super-2 number, since 2×27934812 = 15607072194722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2793451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396740 + 1396741.

It is an arithmetic number, because the mean of its divisors is an integer number (1396741).

22793481 is an apocalyptic number.

It is an amenable number.

2793481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2793481 is an equidigital number, since it uses as much as digits as its factorization.

2793481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 2793481 is about 1671.3709941243. The cubic root of 2793481 is about 140.8365054975.

The spelling of 2793481 in words is "two million, seven hundred ninety-three thousand, four hundred eighty-one".