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103103 = 71113103
BaseRepresentation
bin11001001010111111
312020102122
4121022333
511244403
62113155
7606410
oct311277
9166378
10103103
1170510
124b7bb
1337c10
1429807
1520838
hex192bf

103103 has 16 divisors (see below), whose sum is σ = 139776. Its totient is φ = 73440.

The previous prime is 103099. The next prime is 103123. The reversal of 103103 is 301301.

Adding to 103103 its reverse (301301), we get a palindrome (404404).

It can be divided in two parts, 10 and 3103, that added together give a palindrome (3113).

It is a cyclic number.

It is not a de Polignac number, because 103103 - 22 = 103099 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103103.

It is not an unprimeable number, because it can be changed into a prime (103123) 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 in 15 ways as a sum of consecutive naturals, for example, 950 + ... + 1052.

It is an arithmetic number, because the mean of its divisors is an integer number (8736).

2103103 is an apocalyptic number.

103103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103103 is a deficient number, since it is larger than the sum of its proper divisors (36673).

103103 is a wasteful number, since it uses less digits than its factorization.

103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 103103 is about 321.0965586860. The cubic root of 103103 is about 46.8911014315.

The spelling of 103103 in words is "one hundred three thousand, one hundred three", and thus it is an iban number.

Divisors: 1 7 11 13 77 91 103 143 721 1001 1133 1339 7931 9373 14729 103103