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26983469 is a prime number
BaseRepresentation
bin110011011101…
…1110000101101
31212202220100202
41212323300231
523401432334
62402203245
7445233002
oct146736055
955686322
1026983469
1114260097
129053525
135789c66
1438258a9
15258017e
hex19bbc2d

26983469 has 2 divisors, whose sum is σ = 26983470. Its totient is φ = 26983468.

The previous prime is 26983399. The next prime is 26983493. The reversal of 26983469 is 96438962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25908100 + 1075369 = 5090^2 + 1037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26983469 is a prime.

It is a super-2 number, since 2×269834692 = 1456215198547922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26983769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13491734 + 13491735.

It is an arithmetic number, because the mean of its divisors is an integer number (13491735).

Almost surely, 226983469 is an apocalyptic number.

It is an amenable number.

26983469 is a deficient number, since it is larger than the sum of its proper divisors (1).

26983469 is an equidigital number, since it uses as much as digits as its factorization.

26983469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 26983469 is about 5194.5614829358. The cubic root of 26983469 is about 299.9387615744.

It can be divided in two parts, 269 and 83469, that added together give a palindrome (83738).

The spelling of 26983469 in words is "twenty-six million, nine hundred eighty-three thousand, four hundred sixty-nine".