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13013622 = 23526777
BaseRepresentation
bin110001101001…
…001001110110
3220111011100000
4301221021312
511312413442
61142532130
7215420406
oct61511166
926434300
1013013622
117389366
124437046
13290848b
141a2a806
151220d4c
hexc69276

13013622 has 24 divisors (see below), whose sum is σ = 29241576. Its totient is φ = 4337712.

The previous prime is 13013621. The next prime is 13013629. The reversal of 13013622 is 22631031.

13013622 is a `hidden beast` number, since 1 + 30 + 13 + 622 = 666.

13013622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13013595 and 13013604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013621) 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, 12903 + ... + 13874.

It is an arithmetic number, because the mean of its divisors is an integer number (1218399).

Almost surely, 213013622 is an apocalyptic number.

13013622 is an abundant number, since it is smaller than the sum of its proper divisors (16227954).

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

13013622 is an equidigital number, since it uses as much as digits as its factorization.

13013622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26794 (or 26782 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13013622 is about 3607.4398123877. The cubic root of 13013622 is about 235.2155680033.

Adding to 13013622 its reverse (22631031), we get a palindrome (35644653).

The spelling of 13013622 in words is "thirteen million, thirteen thousand, six hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 26777 53554 80331 160662 240993 481986 722979 1445958 2168937 4337874 6506811 13013622