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210080001 = 370026667
BaseRepresentation
bin11001000010110…
…01000100000001
3112122022011120210
430201121010001
5412240030001
632502424333
75130436065
oct1441310401
9478264523
10210080001
11a864823a
125a4320a9
13346a63c1
141dc87aa5
151369add6
hexc859101

210080001 has 4 divisors (see below), whose sum is σ = 280106672. Its totient is φ = 140053332.

The previous prime is 210079997. The next prime is 210080009. The reversal of 210080001 is 100080012.

It is a happy number.

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 not a de Polignac number, because 210080001 - 22 = 210079997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210080009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35013331 + ... + 35013336.

It is an arithmetic number, because the mean of its divisors is an integer number (70026668).

Almost surely, 2210080001 is an apocalyptic number.

It is an amenable number.

210080001 is a deficient number, since it is larger than the sum of its proper divisors (70026671).

210080001 is an equidigital number, since it uses as much as digits as its factorization.

210080001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70026670.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 210080001 is about 14494.1367800915. The cubic root of 210080001 is about 594.4676650110.

The spelling of 210080001 in words is "two hundred ten million, eighty thousand, one".

Divisors: 1 3 70026667 210080001