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2839469 is a prime number
BaseRepresentation
bin1010110101001110101101
312100021000112
422311032231
51211330334
6140505405
733064223
oct12651655
95307015
102839469
11166a376
12b4b265
13785579
1453cb13
153b14ce
hex2b53ad

2839469 has 2 divisors, whose sum is σ = 2839470. Its totient is φ = 2839468.

The previous prime is 2839457. The next prime is 2839471. The reversal of 2839469 is 9649382.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 619369 = 1490^2 + 787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2839469 is a prime.

It is a super-2 number, since 2×28394692 = 16125168403922, which contains 22 as substring.

Together with 2839471, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 221 + 85 + 311 + 93 + 42 + 63 + 96 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2839409) 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 as a sum of consecutive naturals, namely, 1419734 + 1419735.

It is an arithmetic number, because the mean of its divisors is an integer number (1419735).

22839469 is an apocalyptic number.

It is an amenable number.

2839469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2839469 is an equidigital number, since it uses as much as digits as its factorization.

2839469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 2839469 is about 1685.0724020053. The cubic root of 2839469 is about 141.6051485302.

The spelling of 2839469 in words is "two million, eight hundred thirty-nine thousand, four hundred sixty-nine".