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13517429 = 149257353
BaseRepresentation
bin110011100100…
…001001110101
3221102202102112
4303210021311
511430024204
61201420405
7222616262
oct63441165
927382375
1013517429
1176a2932
12463a705
132a538a3
141b1c269
1512c026e
hexce4275

13517429 has 8 divisors (see below), whose sum is σ = 13699800. Its totient is φ = 13336576.

The previous prime is 13517423. The next prime is 13517443. The reversal of 13517429 is 92471531.

13517429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2640625 + 10876804 = 1625^2 + 3298^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13517429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13517395 and 13517404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13517423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38117 + ... + 38469.

It is an arithmetic number, because the mean of its divisors is an integer number (1712475).

Almost surely, 213517429 is an apocalyptic number.

It is an amenable number.

13517429 is a deficient number, since it is larger than the sum of its proper divisors (182371).

13517429 is a wasteful number, since it uses less digits than its factorization.

13517429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its digits is 7560, while the sum is 32.

The square root of 13517429 is about 3676.6056356373. The cubic root of 13517429 is about 238.2125834070.

The spelling of 13517429 in words is "thirteen million, five hundred seventeen thousand, four hundred twenty-nine".

Divisors: 1 149 257 353 38293 52597 90721 13517429