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13234045 = 511713389
BaseRepresentation
bin110010011110…
…111101111101
3220220100200211
4302132331331
511341442140
61151352421
7220326136
oct62367575
926810624
1013234045
117519a30
124522711
1329848c6
141a86c8d
1512662ea
hexc9ef7d

13234045 has 16 divisors (see below), whose sum is σ = 17573760. Its totient is φ = 9486400.

The previous prime is 13234043. The next prime is 13234061. The reversal of 13234045 is 54043231.

It is not a de Polignac number, because 13234045 - 21 = 13234043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (1098360).

Almost surely, 213234045 is an apocalyptic number.

It is an amenable number.

13234045 is a deficient number, since it is larger than the sum of its proper divisors (4339715).

13234045 is a wasteful number, since it uses less digits than its factorization.

13234045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13234045 is about 3637.8626966943. The cubic root of 13234045 is about 236.5361565252.

Adding to 13234045 its reverse (54043231), we get a palindrome (67277276).

It can be divided in two parts, 1323 and 4045, that multiplied together give a palindrome (5351535).

The spelling of 13234045 in words is "thirteen million, two hundred thirty-four thousand, forty-five".

Divisors: 1 5 11 55 71 355 781 3389 3905 16945 37279 186395 240619 1203095 2646809 13234045