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69484637 is a prime number
BaseRepresentation
bin1000010010001…
…00000001011101
311211202012000002
410021010001131
5120242002022
610521144045
71502416055
oct411040135
9154665002
1069484637
1136249922
121b32b025
131151b091
14932a565
156178092
hex424405d

69484637 has 2 divisors, whose sum is σ = 69484638. Its totient is φ = 69484636.

The previous prime is 69484579. The next prime is 69484651. The reversal of 69484637 is 73648496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40819321 + 28665316 = 6389^2 + 5354^2 .

It is a cyclic number.

It is not a de Polignac number, because 69484637 - 210 = 69483613 is a prime.

It is a super-2 number, since 2×694846372 = 9656229558043538, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 69484591 and 69484600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69484697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34742318 + 34742319.

It is an arithmetic number, because the mean of its divisors is an integer number (34742319).

Almost surely, 269484637 is an apocalyptic number.

It is an amenable number.

69484637 is a deficient number, since it is larger than the sum of its proper divisors (1).

69484637 is an equidigital number, since it uses as much as digits as its factorization.

69484637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 69484637 is about 8335.7445378322. The cubic root of 69484637 is about 411.1146291207.

The spelling of 69484637 in words is "sixty-nine million, four hundred eighty-four thousand, six hundred thirty-seven".