Search a number
-
+
2270705 = 5454141
BaseRepresentation
bin1000101010010111110001
311021100211012
420222113301
51040130310
6120400305
725205063
oct10522761
94240735
102270705
111311018
12916095
13616718
14431733
152ecc05
hex22a5f1

2270705 has 4 divisors (see below), whose sum is σ = 2724852. Its totient is φ = 1816560.

The previous prime is 2270693. The next prime is 2270713. The reversal of 2270705 is 5070722.

2270705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 485809 + 1784896 = 697^2 + 1336^2 .

It is not a de Polignac number, because 2270705 - 24 = 2270689 is a prime.

It is a super-2 number, since 2×22707052 = 10312202394050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227066 + ... + 227075.

It is an arithmetic number, because the mean of its divisors is an integer number (681213).

22270705 is an apocalyptic number.

It is an amenable number.

2270705 is a deficient number, since it is larger than the sum of its proper divisors (454147).

2270705 is an equidigital number, since it uses as much as digits as its factorization.

2270705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454146.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 2270705 is about 1506.8858616365. The cubic root of 2270705 is about 131.4377871272.

The spelling of 2270705 in words is "two million, two hundred seventy thousand, seven hundred five".

Divisors: 1 5 454141 2270705