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13310050 = 2521320477
BaseRepresentation
bin110010110001…
…100001100010
3221001012221211
4302301201202
511401410200
61153140334
7221063545
oct62614142
927035854
1013310050
117571046
12455a6aa
1329b0390
141aa685c
15127daba
hexcb1862

13310050 has 24 divisors (see below), whose sum is σ = 26662356. Its totient is φ = 4914240.

The previous prime is 13310009. The next prime is 13310053. The reversal of 13310050 is 5001331.

It can be written as a sum of positive squares in 6 ways, for example, as 4255969 + 9054081 = 2063^2 + 3009^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 13310050.

It is not an unprimeable number, because it can be changed into a prime (13310053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9589 + ... + 10888.

Almost surely, 213310050 is an apocalyptic number.

13310050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13310050 is an abundant number, since it is smaller than the sum of its proper divisors (13352306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13310050 is a wasteful number, since it uses less digits than its factorization.

13310050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20502 (or 20497 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 13310050 is about 3648.2941219151. The cubic root of 13310050 is about 236.9881126572.

Adding to 13310050 its reverse (5001331), we get a palindrome (18311381).

The spelling of 13310050 in words is "thirteen million, three hundred ten thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 20477 40954 102385 204770 266201 511925 532402 1023850 1331005 2662010 6655025 13310050