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1304160 = 2535111319
BaseRepresentation
bin100111110011001100000
32110020222020
410332121200
5313213120
643541440
714041134
oct4763140
92406866
101304160
11810920
1252a880
133687c0
1425d3c4
151ab640
hex13e660

1304160 has 192 divisors, whose sum is σ = 5080320. Its totient is φ = 276480.

The previous prime is 1304137. The next prime is 1304167. The reversal of 1304160 is 614031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68631 + ... + 68649.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

21304160 is an apocalyptic number.

1304160 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 1304160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2540160).

1304160 is an abundant number, since it is smaller than the sum of its proper divisors (3776160).

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

1304160 is a wasteful number, since it uses less digits than its factorization.

1304160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1304160 is about 1141.9982486852. The cubic root of 1304160 is about 109.2555795910.

Adding to 1304160 its reverse (614031), we get a palindrome (1918191).

The spelling of 1304160 in words is "one million, three hundred four thousand, one hundred sixty".