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321441413 = 479770507
BaseRepresentation
bin10011001010001…
…100111010000101
3211101211220201112
4103022030322011
51124242111123
651521334405
710652130656
oct2312147205
9741756645
10321441413
11155499767
128b797405
1351797327
143099552d
151d346d78
hex1328ce85

321441413 has 8 divisors (see below), whose sum is σ = 331669632. Its totient is φ = 311354496.

The previous prime is 321441397. The next prime is 321441427. The reversal of 321441413 is 314144123.

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

It is a cyclic number.

It is not a de Polignac number, because 321441413 - 24 = 321441397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321441443) 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 7 ways as a sum of consecutive naturals, for example, 30695 + ... + 39812.

It is an arithmetic number, because the mean of its divisors is an integer number (41458704).

Almost surely, 2321441413 is an apocalyptic number.

It is an amenable number.

321441413 is a deficient number, since it is larger than the sum of its proper divisors (10228219).

321441413 is an equidigital number, since it uses as much as digits as its factorization.

321441413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70651.

The product of its digits is 1152, while the sum is 23.

The square root of 321441413 is about 17928.7872707554. The cubic root of 321441413 is about 685.0158328342.

Adding to 321441413 its reverse (314144123), we get a palindrome (635585536).

The spelling of 321441413 in words is "three hundred twenty-one million, four hundred forty-one thousand, four hundred thirteen".

Divisors: 1 47 97 4559 70507 3313829 6839179 321441413