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13722160 = 245433989
BaseRepresentation
bin110100010110…
…001000110000
3221211011021011
4310112020300
512003102120
61210040304
7224431204
oct64261060
927734234
1013722160
117822731
124719094
132ac5b2a
141b72b04
151310c5a
hexd16230

13722160 has 40 divisors (see below), whose sum is σ = 32654160. Its totient is φ = 5359872.

The previous prime is 13722157. The next prime is 13722197. The reversal of 13722160 is 6122731.

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

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, 1446 + ... + 5434.

It is an arithmetic number, because the mean of its divisors is an integer number (816354).

Almost surely, 213722160 is an apocalyptic number.

13722160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13722160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16327080).

13722160 is an abundant number, since it is smaller than the sum of its proper divisors (18932000).

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

13722160 is a wasteful number, since it uses less digits than its factorization.

13722160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4039 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13722160 is about 3704.3433966089. The cubic root of 13722160 is about 239.4091949641.

Adding to 13722160 its reverse (6122731), we get a palindrome (19844891).

The spelling of 13722160 in words is "thirteen million, seven hundred twenty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 3989 7978 15956 19945 31912 39890 63824 79780 159560 171527 319120 343054 686108 857635 1372216 1715270 2744432 3430540 6861080 13722160