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13412403 = 321490267
BaseRepresentation
bin110011001010…
…100000110011
3221020102100200
4303022200303
511413144103
61155250243
7222001134
oct63124063
927212320
1013412403
117630a34
1245a9983
132a17b44
141ad1c8b
15129e0a3
hexcca833

13412403 has 6 divisors (see below), whose sum is σ = 19373484. Its totient is φ = 8941596.

The previous prime is 13412387. The next prime is 13412407. The reversal of 13412403 is 30421431.

It is not a de Polignac number, because 13412403 - 24 = 13412387 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13412407) 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 5 ways as a sum of consecutive naturals, for example, 745125 + ... + 745142.

It is an arithmetic number, because the mean of its divisors is an integer number (3228914).

Almost surely, 213412403 is an apocalyptic number.

13412403 is a deficient number, since it is larger than the sum of its proper divisors (5961081).

13412403 is a wasteful number, since it uses less digits than its factorization.

13412403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490273 (or 1490270 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13412403 is about 3662.2947724070. The cubic root of 13412403 is about 237.5940340474.

Adding to 13412403 its reverse (30421431), we get a palindrome (43833834).

Subtracting 13412403 from its reverse (30421431), we obtain a triangular number (17009028 = T5832).

The spelling of 13412403 in words is "thirteen million, four hundred twelve thousand, four hundred three".

Divisors: 1 3 9 1490267 4470801 13412403