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320430001 is a prime number
BaseRepresentation
bin10011000110010…
…101111110110001
3211022221112022211
4103012111332301
51124012230001
651443532121
710640416153
oct2306257661
9738845284
10320430001
11154968891
128b38a041
1351501b68
14307b0ad3
151d1e7351
hex13195fb1

320430001 has 2 divisors, whose sum is σ = 320430002. Its totient is φ = 320430000.

The previous prime is 320429983. The next prime is 320430031. The reversal of 320430001 is 100034023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200505600 + 119924401 = 14160^2 + 10951^2 .

It is a cyclic number.

It is not a de Polignac number, because 320430001 - 25 = 320429969 is a prime.

It is not a weakly prime, because it can be changed into another prime (320430031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160215000 + 160215001.

It is an arithmetic number, because the mean of its divisors is an integer number (160215001).

Almost surely, 2320430001 is an apocalyptic number.

It is an amenable number.

320430001 is a deficient number, since it is larger than the sum of its proper divisors (1).

320430001 is an equidigital number, since it uses as much as digits as its factorization.

320430001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320430001 is about 17900.5586784324. The cubic root of 320430001 is about 684.2966129468.

Adding to 320430001 its reverse (100034023), we get a palindrome (420464024).

The spelling of 320430001 in words is "three hundred twenty million, four hundred thirty thousand, one".