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130304626 = 2173832489
BaseRepresentation
bin1111100010001…
…00101001110010
3100002012011100021
413301010221302
5231324222001
620532514054
73141366604
oct761045162
9302164307
10130304626
116760a881
123777b92a
1320cc433a
141343d174
15b68dba1
hex7c44a72

130304626 has 8 divisors (see below), whose sum is σ = 206954460. Its totient is φ = 61319808.

The previous prime is 130304623. The next prime is 130304653. The reversal of 130304626 is 626403031.

It can be written as a sum of positive squares in 2 ways, for example, as 130302225 + 2401 = 11415^2 + 49^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 130304626.

It is not an unprimeable number, because it can be changed into a prime (130304621) by changing a digit.

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, 1916211 + ... + 1916278.

Almost surely, 2130304626 is an apocalyptic number.

130304626 is a deficient number, since it is larger than the sum of its proper divisors (76649834).

130304626 is a wasteful number, since it uses less digits than its factorization.

130304626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832508.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 130304626 is about 11415.1051681533. The cubic root of 130304626 is about 506.9750787533.

Adding to 130304626 its reverse (626403031), we get a palindrome (756707657).

The spelling of 130304626 in words is "one hundred thirty million, three hundred four thousand, six hundred twenty-six".

Divisors: 1 2 17 34 3832489 7664978 65152313 130304626