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10297305 = 325228829
BaseRepresentation
bin100111010001…
…111111011001
3201101011020200
4213101333121
510114003210
61004412413
7153345204
oct47217731
921334220
1010297305
1158a3577
123547109
132196ca5
14152093b
15d860c0
hex9d1fd9

10297305 has 12 divisors (see below), whose sum is σ = 17848740. Its totient is φ = 5491872.

The previous prime is 10297303. The next prime is 10297319. The reversal of 10297305 is 50379201.

It can be written as a sum of positive squares in 2 ways, for example, as 2277081 + 8020224 = 1509^2 + 2832^2 .

It is not a de Polignac number, because 10297305 - 21 = 10297303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10297303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114370 + ... + 114459.

It is an arithmetic number, because the mean of its divisors is an integer number (1487395).

Almost surely, 210297305 is an apocalyptic number.

10297305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10297305 is a deficient number, since it is larger than the sum of its proper divisors (7551435).

10297305 is a wasteful number, since it uses less digits than its factorization.

10297305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228840 (or 228837 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 10297305 is about 3208.9414142362. The cubic root of 10297305 is about 217.5577333857.

The spelling of 10297305 in words is "ten million, two hundred ninety-seven thousand, three hundred five".

Divisors: 1 3 5 9 15 45 228829 686487 1144145 2059461 3432435 10297305