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320025201 = 3106675067
BaseRepresentation
bin10011000100110…
…011001001110001
3211022011222001020
4103010303021301
51123411301301
651431130053
710634112036
oct2304631161
9738158036
10320025201
11154711741
128b213929
13513bc832
143070738d
151d167436
hex13133271

320025201 has 4 divisors (see below), whose sum is σ = 426700272. Its totient is φ = 213350132.

The previous prime is 320025163. The next prime is 320025203. The reversal of 320025201 is 102520023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320025201 - 211 = 320023153 is a prime.

It is a super-2 number, since 2×3200252012 = 204832258550180802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320025203) 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, 53337531 + ... + 53337536.

It is an arithmetic number, because the mean of its divisors is an integer number (106675068).

Almost surely, 2320025201 is an apocalyptic number.

It is an amenable number.

320025201 is a deficient number, since it is larger than the sum of its proper divisors (106675071).

320025201 is a wasteful number, since it uses less digits than its factorization.

320025201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106675070.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 320025201 is about 17889.2481954944. The cubic root of 320025201 is about 684.0083336593.

Adding to 320025201 its reverse (102520023), we get a palindrome (422545224).

The spelling of 320025201 in words is "three hundred twenty million, twenty-five thousand, two hundred one".

Divisors: 1 3 106675067 320025201