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2968409 is a prime number
BaseRepresentation
bin1011010100101101011001
312120210220002
423110231121
51224442114
6143342345
734142153
oct13245531
95523802
102968409
111748234
12bb19b5
137cc172
14573ad3
153d97de
hex2d4b59

2968409 has 2 divisors, whose sum is σ = 2968410. Its totient is φ = 2968408.

The previous prime is 2968391. The next prime is 2968447. The reversal of 2968409 is 9048692.

It is an a-pointer prime, because the next prime (2968447) can be obtained adding 2968409 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 1000000 = 1403^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2968409 - 216 = 2902873 is a prime.

It is a super-2 number, since 2×29684092 = 17622903982562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2968309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1484204 + 1484205.

It is an arithmetic number, because the mean of its divisors is an integer number (1484205).

22968409 is an apocalyptic number.

It is an amenable number.

2968409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2968409 is an equidigital number, since it uses as much as digits as its factorization.

2968409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2968409 is about 1722.9071362090. The cubic root of 2968409 is about 143.7169239590.

The spelling of 2968409 in words is "two million, nine hundred sixty-eight thousand, four hundred nine".