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10669381 is a prime number
BaseRepresentation
bin101000101100…
…110101000101
3202002001122021
4220230311011
510212410011
61020403141
7156455032
oct50546505
922061567
1010669381
116028078
1236a64b1
132297458
1415ba389
15e0b471
hexa2cd45

10669381 has 2 divisors, whose sum is σ = 10669382. Its totient is φ = 10669380.

The previous prime is 10669369. The next prime is 10669411. The reversal of 10669381 is 18396601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6548481 + 4120900 = 2559^2 + 2030^2 .

It is a cyclic number.

It is not a de Polignac number, because 10669381 - 25 = 10669349 is a prime.

It is a super-2 number, since 2×106693812 = 227671381846322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10669181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5334690 + 5334691.

It is an arithmetic number, because the mean of its divisors is an integer number (5334691).

Almost surely, 210669381 is an apocalyptic number.

It is an amenable number.

10669381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10669381 is an equidigital number, since it uses as much as digits as its factorization.

10669381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10669381 is about 3266.4018430071. The cubic root of 10669381 is about 220.1471536160.

The spelling of 10669381 in words is "ten million, six hundred sixty-nine thousand, three hundred eighty-one".