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13199738 = 2312111009
BaseRepresentation
bin110010010110…
…100101111010
3220211121122012
4302112211322
511334342423
61150525522
7220124126
oct62264572
926747565
1013199738
1174a6182
1245068a2
1329720c6
141a78586
15125b078
hexc9697a

13199738 has 16 divisors (see below), whose sum is σ = 20555520. Its totient is φ = 6350400.

The previous prime is 13199689. The next prime is 13199741. The reversal of 13199738 is 83799131.

It is a junction number, because it is equal to n+sod(n) for n = 13199695 and 13199704.

It is an unprimeable number.

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, 12578 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (1284720).

Almost surely, 213199738 is an apocalyptic number.

13199738 is a deficient number, since it is larger than the sum of its proper divisors (7355782).

13199738 is a wasteful number, since it uses less digits than its factorization.

13199738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its digits is 40824, while the sum is 41.

The square root of 13199738 is about 3633.1443681748. The cubic root of 13199738 is about 236.3315864648.

The spelling of 13199738 in words is "thirteen million, one hundred ninety-nine thousand, seven hundred thirty-eight".

Divisors: 1 2 31 62 211 422 1009 2018 6541 13082 31279 62558 212899 425798 6599869 13199738