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13830003 = 3211139697
BaseRepresentation
bin110100110000…
…011101110011
3222000122012100
4310300131303
512020030003
61212231443
7225360465
oct64603563
928018170
1013830003
117896760
12476b583
132b32c45
141ba0135
151332ba3
hexd30773

13830003 has 12 divisors (see below), whose sum is σ = 21792888. Its totient is φ = 8381760.

The previous prime is 13830001. The next prime is 13830007. The reversal of 13830003 is 30003831.

It is not a de Polignac number, because 13830003 - 21 = 13830001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13830001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69750 + ... + 69947.

It is an arithmetic number, because the mean of its divisors is an integer number (1816074).

Almost surely, 213830003 is an apocalyptic number.

13830003 is a deficient number, since it is larger than the sum of its proper divisors (7962885).

13830003 is a wasteful number, since it uses less digits than its factorization.

13830003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139714 (or 139711 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13830003 is about 3718.8711997056. The cubic root of 13830003 is about 240.0347345561.

Adding to 13830003 its reverse (30003831), we get a palindrome (43833834).

Subtracting 13830003 from its reverse (30003831), we obtain a triangular number (16173828 = T5687).

It can be divided in two parts, 138 and 30003, that multiplied together give a palindrome (4140414).

The spelling of 13830003 in words is "thirteen million, eight hundred thirty thousand, three".

Divisors: 1 3 9 11 33 99 139697 419091 1257273 1536667 4610001 13830003