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2298985 = 513113313
BaseRepresentation
bin1000110001010001101001
311022210121121
420301101221
51042031420
6121135241
725353403
oct10612151
94283547
102298985
111330297
1292a521
13626560
1443bb73
153062aa
hex231469

2298985 has 16 divisors (see below), whose sum is σ = 3006864. Its totient is φ = 1677312.

The previous prime is 2298983. The next prime is 2299001. The reversal of 2298985 is 5898922.

It can be written as a sum of positive squares in 8 ways, for example, as 1510441 + 788544 = 1229^2 + 888^2 .

It is not a de Polignac number, because 2298985 - 21 = 2298983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7189 + ... + 7501.

It is an arithmetic number, because the mean of its divisors is an integer number (187929).

22298985 is an apocalyptic number.

It is an amenable number.

2298985 is a deficient number, since it is larger than the sum of its proper divisors (707879).

2298985 is a wasteful number, since it uses less digits than its factorization.

2298985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 103680, while the sum is 43.

The square root of 2298985 is about 1516.2404162929. The cubic root of 2298985 is about 131.9811918412.

The spelling of 2298985 in words is "two million, two hundred ninety-eight thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 113 313 565 1469 1565 4069 7345 20345 35369 176845 459797 2298985