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13226160 = 243555109
BaseRepresentation
bin110010011101…
…000010110000
3220212221212210
4302131002300
511341214120
61151252120
7220264143
oct62350260
926787783
1013226160
117514012
12451a040
13298113c
141a8405a
151263ce0
hexc9d0b0

13226160 has 40 divisors (see below), whose sum is σ = 41001840. Its totient is φ = 3526912.

The previous prime is 13226159. The next prime is 13226167. The reversal of 13226160 is 6162231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (13226167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27315 + ... + 27794.

It is an arithmetic number, because the mean of its divisors is an integer number (1025046).

Almost surely, 213226160 is an apocalyptic number.

13226160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13226160 is an abundant number, since it is smaller than the sum of its proper divisors (27775680).

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

13226160 is a wasteful number, since it uses less digits than its factorization.

13226160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55125 (or 55119 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13226160 is about 3636.7787944828. The cubic root of 13226160 is about 236.4891701823.

Adding to 13226160 its reverse (6162231), we get a palindrome (19388391).

The spelling of 13226160 in words is "thirteen million, two hundred twenty-six thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 55109 110218 165327 220436 275545 330654 440872 551090 661308 826635 881744 1102180 1322616 1653270 2204360 2645232 3306540 4408720 6613080 13226160