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13023436 = 2219229311
BaseRepresentation
bin110001101011…
…100011001100
3220111122210111
4301223203030
511313222221
61143045404
7215461126
oct61534314
926448714
1013023436
117395778
124440864
13290ca9a
141a30216
151223be1
hexc6b8cc

13023436 has 36 divisors (see below), whose sum is σ = 24963120. Its totient is φ = 5937120.

The previous prime is 13023433. The next prime is 13023457. The reversal of 13023436 is 63432031.

13023436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13023433) 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, 41721 + ... + 42031.

It is an arithmetic number, because the mean of its divisors is an integer number (693420).

Almost surely, 213023436 is an apocalyptic number.

It is an amenable number.

13023436 is a deficient number, since it is larger than the sum of its proper divisors (11939684).

13023436 is a wasteful number, since it uses less digits than its factorization.

13023436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 13023436 is about 3608.7998004877. The cubic root of 13023436 is about 235.2746810759.

Adding to 13023436 its reverse (63432031), we get a palindrome (76455467).

The spelling of 13023436 in words is "thirteen million, twenty-three thousand, four hundred thirty-six".

Divisors: 1 2 4 19 29 38 58 76 116 311 361 551 622 722 1102 1244 1444 2204 5909 9019 10469 11818 18038 20938 23636 36076 41876 112271 171361 224542 342722 449084 685444 3255859 6511718 13023436