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130422 = 2321737
BaseRepresentation
bin11111110101110110
320121220110
4133311312
513133142
62443450
71052145
oct376566
9217813
10130422
1189a96
1263586
1347496
143575c
152899c
hex1fd76

130422 has 8 divisors (see below), whose sum is σ = 260856. Its totient is φ = 43472.

The previous prime is 130411. The next prime is 130423. The reversal of 130422 is 224031.

It is a sphenic number, since it is the product of 3 distinct primes.

130422 is an admirable number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 130398 and 130407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130423) by changing a digit.

130422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10863 + ... + 10874.

It is an arithmetic number, because the mean of its divisors is an integer number (32607).

2130422 is an apocalyptic number.

130422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130422 is a wasteful number, since it uses less digits than its factorization.

130422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21742.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 130422 is about 361.1398621033. The cubic root of 130422 is about 50.7127255072.

Adding to 130422 its reverse (224031), we get a palindrome (354453).

It can be divided in two parts, 1304 and 22, that added together give a triangular number (1326 = T51).

The spelling of 130422 in words is "one hundred thirty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 21737 43474 65211 130422