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13227940 = 2251160127
BaseRepresentation
bin110010011101…
…011110100100
3220220001022201
4302131132210
511341243230
61151304244
7220302265
oct62353644
926801281
1013227940
117515390
12451b084
132981bab
141a8496c
1512645ca
hexc9d7a4

13227940 has 24 divisors (see below), whose sum is σ = 30304512. Its totient is φ = 4810080.

The previous prime is 13227937. The next prime is 13227941. The reversal of 13227940 is 4972231.

It is a junction number, because it is equal to n+sod(n) for n = 13227899 and 13227908.

It is not an unprimeable number, because it can be changed into a prime (13227941) 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, 29844 + ... + 30283.

It is an arithmetic number, because the mean of its divisors is an integer number (1262688).

Almost surely, 213227940 is an apocalyptic number.

13227940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13227940 is an abundant number, since it is smaller than the sum of its proper divisors (17076572).

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

13227940 is a wasteful number, since it uses less digits than its factorization.

13227940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60147 (or 60145 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13227940 is about 3637.0235083101. The cubic root of 13227940 is about 236.4997787500.

The spelling of 13227940 in words is "thirteen million, two hundred twenty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 60127 120254 240508 300635 601270 661397 1202540 1322794 2645588 3306985 6613970 13227940