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13303141 = 29458729
BaseRepresentation
bin110010101111…
…110101100101
3221000212110221
4302233311211
511401200031
61153044341
7221034445
oct62576545
927025427
1013303141
117566935
1245566b1
1329aa1a7
141aa4125
15127ba11
hexcafd65

13303141 has 4 divisors (see below), whose sum is σ = 13761900. Its totient is φ = 12844384.

The previous prime is 13303139. The next prime is 13303153. The reversal of 13303141 is 14130331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 2114116 = 3345^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 13303141 - 21 = 13303139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229336 + ... + 229393.

It is an arithmetic number, because the mean of its divisors is an integer number (3440475).

Almost surely, 213303141 is an apocalyptic number.

It is an amenable number.

13303141 is a deficient number, since it is larger than the sum of its proper divisors (458759).

13303141 is an equidigital number, since it uses as much as digits as its factorization.

13303141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458758.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13303141 is about 3647.3471181120. The cubic root of 13303141 is about 236.9471001827.

Adding to 13303141 its reverse (14130331), we get a palindrome (27433472).

The spelling of 13303141 in words is "thirteen million, three hundred three thousand, one hundred forty-one".

Divisors: 1 29 458729 13303141