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4280297 = 7312479
BaseRepresentation
bin10000010100111111101001
322001110110112
4100110333221
52043432142
6231424105
751245000
oct20247751
98043415
104280297
11246393a
121525035
13b6b328
147d5c37
15598382
hex414fe9

4280297 has 8 divisors (see below), whose sum is σ = 4992000. Its totient is φ = 3668532.

The previous prime is 4280267. The next prime is 4280329. The reversal of 4280297 is 7920824.

It is not a de Polignac number, because 4280297 - 28 = 4280041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4280257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5897 + ... + 6582.

It is an arithmetic number, because the mean of its divisors is an integer number (624000).

Almost surely, 24280297 is an apocalyptic number.

It is an amenable number.

4280297 is a deficient number, since it is larger than the sum of its proper divisors (711703).

4280297 is an equidigital number, since it uses as much as digits as its factorization.

4280297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500 (or 12486 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4280297 is about 2068.8878654968. The cubic root of 4280297 is about 162.3645830416.

The spelling of 4280297 in words is "four million, two hundred eighty thousand, two hundred ninety-seven".

Divisors: 1 7 49 343 12479 87353 611471 4280297