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1304130 = 235291499
BaseRepresentation
bin100111110011001000010
32110020221010
410332121002
5313213010
643541350
714041062
oct4763102
92406833
101304130
118108a3
1252a856
13368799
1425d3a2
151ab620
hex13e642

1304130 has 32 divisors (see below), whose sum is σ = 3240000. Its totient is φ = 335552.

The previous prime is 1304129. The next prime is 1304131. The reversal of 1304130 is 314031.

It is an interprime number because it is at equal distance from previous prime (1304129) and next prime (1304131).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121 + ... + 1619.

It is an arithmetic number, because the mean of its divisors is an integer number (101250).

21304130 is an apocalyptic number.

1304130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620000).

1304130 is an abundant number, since it is smaller than the sum of its proper divisors (1935870).

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

1304130 is a wasteful number, since it uses less digits than its factorization.

1304130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1304130 is about 1141.9851137384. The cubic root of 1304130 is about 109.2547418378.

Adding to 1304130 its reverse (314031), we get a palindrome (1618161).

Subtracting from 1304130 its reverse (314031), we obtain a palindrome (990099).

The spelling of 1304130 in words is "one million, three hundred four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 1499 2998 4497 7495 8994 14990 22485 43471 44970 86942 130413 217355 260826 434710 652065 1304130