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13208826 = 234351197
BaseRepresentation
bin110010011000…
…110011111010
3220212002002210
4302120303322
511340140301
61151035550
7220162461
oct62306372
926762083
1013208826
117501a94
12450bbb6
132976297
141a7b9d8
15125dad6
hexc98cfa

13208826 has 16 divisors (see below), whose sum is σ = 27032544. Its totient is φ = 4300464.

The previous prime is 13208809. The next prime is 13208827. The reversal of 13208826 is 62880231.

It is a junction number, because it is equal to n+sod(n) for n = 13208793 and 13208802.

It is not an unprimeable number, because it can be changed into a prime (13208827) by changing a digit.

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, 25341 + ... + 25856.

It is an arithmetic number, because the mean of its divisors is an integer number (1689534).

Almost surely, 213208826 is an apocalyptic number.

13208826 is an abundant number, since it is smaller than the sum of its proper divisors (13823718).

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

13208826 is a wasteful number, since it uses less digits than its factorization.

13208826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51245.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 13208826 is about 3634.3948602209. The cubic root of 13208826 is about 236.3858120040.

The spelling of 13208826 in words is "thirteen million, two hundred eight thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 43 86 129 258 51197 102394 153591 307182 2201471 4402942 6604413 13208826