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2320885 = 5729473
BaseRepresentation
bin1000110110100111110101
311100220122201
420312213311
51043232020
6121424501
725504300
oct10664765
94326581
102320885
111345796
1293b131
13633508
14445b37
1530ca0a
hex2369f5

2320885 has 12 divisors (see below), whose sum is σ = 3240108. Its totient is φ = 1591296.

The previous prime is 2320873. The next prime is 2320897. The reversal of 2320885 is 5880232.

It is an interprime number because it is at equal distance from previous prime (2320873) and next prime (2320897).

It can be written as a sum of positive squares in 2 ways, for example, as 1695204 + 625681 = 1302^2 + 791^2 .

It is not a de Polignac number, because 2320885 - 217 = 2189813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4492 + ... + 4981.

It is an arithmetic number, because the mean of its divisors is an integer number (270009).

22320885 is an apocalyptic number.

It is an amenable number.

2320885 is a deficient number, since it is larger than the sum of its proper divisors (919223).

2320885 is an equidigital number, since it uses as much as digits as its factorization.

2320885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492 (or 9485 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2320885 is about 1523.4451089554. The cubic root of 2320885 is about 132.3989498917.

The spelling of 2320885 in words is "two million, three hundred twenty thousand, eight hundred eighty-five".

Divisors: 1 5 7 35 49 245 9473 47365 66311 331555 464177 2320885