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13431241 = 172334351
BaseRepresentation
bin110011001111…
…000111001001
3221021101012101
4303033013021
511414244431
61155513401
7222110065
oct63170711
927241171
1013431241
1176440aa
1245b8861
132a235a5
141ad8aa5
1512a4961
hexccf1c9

13431241 has 8 divisors (see below), whose sum is σ = 14840064. Its totient is φ = 12091200.

The previous prime is 13431239. The next prime is 13431251. The reversal of 13431241 is 14213431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13431241 - 21 = 13431239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13431251) 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 7 ways as a sum of consecutive naturals, for example, 16785 + ... + 17566.

It is an arithmetic number, because the mean of its divisors is an integer number (1855008).

Almost surely, 213431241 is an apocalyptic number.

It is an amenable number.

13431241 is a deficient number, since it is larger than the sum of its proper divisors (1408823).

13431241 is a wasteful number, since it uses less digits than its factorization.

13431241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34391.

The product of its digits is 288, while the sum is 19.

The square root of 13431241 is about 3664.8657547037. The cubic root of 13431241 is about 237.7052172708.

Adding to 13431241 its reverse (14213431), we get a palindrome (27644672).

It can be divided in two parts, 134 and 31241, that added together give a triangular number (31375 = T250).

The spelling of 13431241 in words is "thirteen million, four hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 17 23 391 34351 583967 790073 13431241