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13227620 = 225794483
BaseRepresentation
bin110010011101…
…011001100100
3220220000212212
4302131121210
511341240440
61151302552
7220301330
oct62353144
926800785
1013227620
11751511a
12451aa58
1329819c3
141a847c0
151264465
hexc9d664

13227620 has 24 divisors (see below), whose sum is σ = 31746624. Its totient is φ = 4535136.

The previous prime is 13227619. The next prime is 13227631. The reversal of 13227620 is 2672231.

13227620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47102 + ... + 47381.

It is an arithmetic number, because the mean of its divisors is an integer number (1322776).

Almost surely, 213227620 is an apocalyptic number.

13227620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13227620 is an abundant number, since it is smaller than the sum of its proper divisors (18519004).

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

13227620 is a wasteful number, since it uses less digits than its factorization.

13227620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94499 (or 94497 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 13227620 is about 3636.9795160270. The cubic root of 13227620 is about 236.4978716619.

Adding to 13227620 its reverse (2672231), we get a palindrome (15899851).

The spelling of 13227620 in words is "thirteen million, two hundred twenty-seven thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 94483 188966 377932 472415 661381 944830 1322762 1889660 2645524 3306905 6613810 13227620