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320202001 = 7109341851
BaseRepresentation
bin10011000101011…
…110010100010001
3211022111221120101
4103011132110101
51123432431001
651435012401
710635446350
oct2305362421
9738457511
10320202001
11154822559
128b29a101
1351452152
1430751997
151d19ea01
hex1315e511

320202001 has 8 divisors (see below), whose sum is σ = 366288704. Its totient is φ = 274201200.

The previous prime is 320201989. The next prime is 320202019. The reversal of 320202001 is 100202023.

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

It is a de Polignac number, because none of the positive numbers 2k-320202001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320202031) 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, 13275 + ... + 28576.

It is an arithmetic number, because the mean of its divisors is an integer number (45786088).

Almost surely, 2320202001 is an apocalyptic number.

It is an amenable number.

320202001 is a deficient number, since it is larger than the sum of its proper divisors (46086703).

320202001 is a wasteful number, since it uses less digits than its factorization.

320202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42951.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 320202001 is about 17894.1890288440. The cubic root of 320202001 is about 684.1342720852.

Adding to 320202001 its reverse (100202023), we get a palindrome (420404024).

The spelling of 320202001 in words is "three hundred twenty million, two hundred two thousand, one".

Divisors: 1 7 1093 7651 41851 292957 45743143 320202001