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4330257 = 317197431
BaseRepresentation
bin10000100001001100010001
322010222222220
4100201030101
52102032012
6232451253
751543441
oct20411421
98128886
104330257
112498428
121549b29
13b87ca9
1480a121
155a808c
hex421311

4330257 has 16 divisors (see below), whose sum is σ = 6158592. Its totient is φ = 2696960.

The previous prime is 4330253. The next prime is 4330301. The reversal of 4330257 is 7520334.

It is a cyclic number.

It is not a de Polignac number, because 4330257 - 22 = 4330253 is a prime.

It is a super-2 number, since 2×43302572 = 37502251372098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4330253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9832 + ... + 10262.

It is an arithmetic number, because the mean of its divisors is an integer number (384912).

Almost surely, 24330257 is an apocalyptic number.

It is an amenable number.

4330257 is a deficient number, since it is larger than the sum of its proper divisors (1828335).

4330257 is a wasteful number, since it uses less digits than its factorization.

4330257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 4330257 is about 2080.9269569113. The cubic root of 4330257 is about 162.9938522529.

The spelling of 4330257 in words is "four million, three hundred thirty thousand, two hundred fifty-seven".

Divisors: 1 3 17 51 197 431 591 1293 3349 7327 10047 21981 84907 254721 1443419 4330257