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69103481 is a prime number
BaseRepresentation
bin1000001111001…
…10111101111001
311211000211011012
410013212331321
5120142302411
610505043305
71466240606
oct407467571
9154024135
1069103481
1136009517
121b186535
1311416745
14926b6ad
15610018b
hex41e6f79

69103481 has 2 divisors, whose sum is σ = 69103482. Its totient is φ = 69103480.

The previous prime is 69103403. The next prime is 69103483. The reversal of 69103481 is 18430196.

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., 63744256 + 5359225 = 7984^2 + 2315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69103481 is a prime.

It is a super-2 number, since 2×691034812 = 9550582172634722, which contains 22 as substring.

Together with 69103483, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p4068383 and since 69103481 and 4068383 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (69103483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34551740 + 34551741.

It is an arithmetic number, because the mean of its divisors is an integer number (34551741).

Almost surely, 269103481 is an apocalyptic number.

It is an amenable number.

69103481 is a deficient number, since it is larger than the sum of its proper divisors (1).

69103481 is an equidigital number, since it uses as much as digits as its factorization.

69103481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 69103481 is about 8312.8503535189. The cubic root of 69103481 is about 410.3615312033.

The spelling of 69103481 in words is "sixty-nine million, one hundred three thousand, four hundred eighty-one".