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103405361 is a prime number
BaseRepresentation
bin1100010100111…
…01011100110001
321012120112111012
412022131130301
5202432432421
614132200305
72363634233
oct612353461
9235515435
10103405361
1153407a84
122a769095
1318566807
14da3a253
15912895b
hex629d731

103405361 has 2 divisors, whose sum is σ = 103405362. Its totient is φ = 103405360.

The previous prime is 103405327. The next prime is 103405363. The reversal of 103405361 is 163504301.

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., 97911025 + 5494336 = 9895^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 103405361 - 226 = 36296497 is a prime.

Together with 103405363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103405363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51702680 + 51702681.

It is an arithmetic number, because the mean of its divisors is an integer number (51702681).

Almost surely, 2103405361 is an apocalyptic number.

It is an amenable number.

103405361 is a deficient number, since it is larger than the sum of its proper divisors (1).

103405361 is an equidigital number, since it uses as much as digits as its factorization.

103405361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 103405361 is about 10168.8426578446. The cubic root of 103405361 is about 469.3689448410.

Adding to 103405361 its reverse (163504301), we get a palindrome (266909662).

The spelling of 103405361 in words is "one hundred three million, four hundred five thousand, three hundred sixty-one".