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13143060 = 2234571961
BaseRepresentation
bin110010001000…
…110000010100
3220201201220000
4302020300110
511331034220
61145411300
7216466650
oct62106024
926651800
1013143060
117467637
124499b30
132952378
141a61a60
151249390
hexc88c14

13143060 has 240 divisors, whose sum is σ = 50413440. Its totient is φ = 2799360.

The previous prime is 13143059. The next prime is 13143077. The reversal of 13143060 is 6034131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 215430 + ... + 215490.

It is an arithmetic number, because the mean of its divisors is an integer number (210056).

Almost surely, 213143060 is an apocalyptic number.

13143060 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 13143060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25206720).

13143060 is an abundant number, since it is smaller than the sum of its proper divisors (37270380).

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

13143060 is a wasteful number, since it uses less digits than its factorization.

13143060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 97 counting only the distinct ones).

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

The square root of 13143060 is about 3625.3358465113. The cubic root of 13143060 is about 235.9928418781.

Adding to 13143060 its reverse (6034131), we get a palindrome (19177191).

The spelling of 13143060 in words is "thirteen million, one hundred forty-three thousand, sixty".