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320130441 = 3353223711
BaseRepresentation
bin10011000101001…
…100110110001001
3211022101022102000
4103011030312021
51123423133231
651433301213
710635030621
oct2305146611
9738338360
10320130441
11154783814
128b264809
13514286c7
1430733881
151d1886e6
hex1314cd89

320130441 has 16 divisors (see below), whose sum is σ = 483217920. Its totient is φ = 209392560.

The previous prime is 320130431. The next prime is 320130511. The reversal of 320130441 is 144031023.

320130441 is a `hidden beast` number, since 320 + 1 + 304 + 41 = 666.

It is a de Polignac number, because none of the positive numbers 2k-320130441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320130431) 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 15 ways as a sum of consecutive naturals, for example, 110425 + ... + 113286.

It is an arithmetic number, because the mean of its divisors is an integer number (30201120).

Almost surely, 2320130441 is an apocalyptic number.

It is an amenable number.

320130441 is a deficient number, since it is larger than the sum of its proper divisors (163087479).

320130441 is a wasteful number, since it uses less digits than its factorization.

320130441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223773 (or 223767 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 320130441 is about 17892.1893853156. The cubic root of 320130441 is about 684.0833039507.

Adding to 320130441 its reverse (144031023), we get a palindrome (464161464).

The spelling of 320130441 in words is "three hundred twenty million, one hundred thirty thousand, four hundred forty-one".

Divisors: 1 3 9 27 53 159 477 1431 223711 671133 2013399 6040197 11856683 35570049 106710147 320130441