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2270065 = 5779821
BaseRepresentation
bin1000101010001101110001
311021022221111
420222031301
51040120230
6120353321
725203160
oct10521561
94238844
102270065
111310596
12915841
13616345
144313d7
152ec92a
hex22a371

2270065 has 16 divisors (see below), whose sum is σ = 3156480. Its totient is φ = 1535040.

The previous prime is 2270011. The next prime is 2270071. The reversal of 2270065 is 5600722.

It is a de Polignac number, because none of the positive numbers 2k-2270065 is a prime.

2270065 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (197280).

22270065 is an apocalyptic number.

It is an amenable number.

2270065 is a deficient number, since it is larger than the sum of its proper divisors (886415).

2270065 is an equidigital number, since it uses as much as digits as its factorization.

2270065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2270065 is about 1506.6734881851. The cubic root of 2270065 is about 131.4254373521.

Adding to 2270065 its reverse (5600722), we get a palindrome (7870787).

The spelling of 2270065 in words is "two million, two hundred seventy thousand, sixty-five".

Divisors: 1 5 7 35 79 395 553 821 2765 4105 5747 28735 64859 324295 454013 2270065