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34720103 = 1121716879
BaseRepresentation
bin1000010001110…
…0100101100111
32102022222000202
42010130211213
532342020403
63240101115
7601054535
oct204344547
972288022
1034720103
1118664800
12b76479b
137268552
14487b155
1530ac688
hex211c967

34720103 has 12 divisors (see below), whose sum is σ = 40410720. Its totient is φ = 29705280.

The previous prime is 34720073. The next prime is 34720117. The reversal of 34720103 is 30102743.

It is not a de Polignac number, because 34720103 - 26 = 34720039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34720123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6383 + ... + 10496.

It is an arithmetic number, because the mean of its divisors is an integer number (3367560).

Almost surely, 234720103 is an apocalyptic number.

34720103 is a deficient number, since it is larger than the sum of its proper divisors (5690617).

34720103 is a wasteful number, since it uses less digits than its factorization.

34720103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16918 (or 16907 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 34720103 is about 5892.3766851755. The cubic root of 34720103 is about 326.2323327828.

Adding to 34720103 its reverse (30102743), we get a palindrome (64822846).

The spelling of 34720103 in words is "thirty-four million, seven hundred twenty thousand, one hundred three".

Divisors: 1 11 17 121 187 2057 16879 185669 286943 2042359 3156373 34720103