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2270001 = 3756667
BaseRepresentation
bin1000101010001100110001
311021022212010
420222030301
51040120001
6120353133
725203036
oct10521461
94238763
102270001
111310538
129157a9
136162c6
1443138d
152ec8d6
hex22a331

2270001 has 4 divisors (see below), whose sum is σ = 3026672. Its totient is φ = 1513332.

The previous prime is 2269991. The next prime is 2270003. The reversal of 2270001 is 1000722.

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 2270001 - 210 = 2268977 is a prime.

It is a D-number.

It is a Duffinian number.

2270001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2270003) 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, 378331 + ... + 378336.

It is an arithmetic number, because the mean of its divisors is an integer number (756668).

22270001 is an apocalyptic number.

It is an amenable number.

2270001 is a deficient number, since it is larger than the sum of its proper divisors (756671).

2270001 is an equidigital number, since it uses as much as digits as its factorization.

2270001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756670.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 2270001 is about 1506.6522491936. The cubic root of 2270001 is about 131.4242022470.

Adding to 2270001 its reverse (1000722), we get a palindrome (3270723).

The spelling of 2270001 in words is "two million, two hundred seventy thousand, one".

Divisors: 1 3 756667 2270001