Search a number
-
+
4268257 = 7609751
BaseRepresentation
bin10000010010000011100001
322000211221121
4100102003201
52043041012
6231252241
751164620
oct20220341
98024847
104268257
112455894
12151a081
13b659c6
147d16b7
15594a07
hex4120e1

4268257 has 4 divisors (see below), whose sum is σ = 4878016. Its totient is φ = 3658500.

The previous prime is 4268233. The next prime is 4268261. The reversal of 4268257 is 7528624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4268257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4268267) 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 3 ways as a sum of consecutive naturals, for example, 304869 + ... + 304882.

It is an arithmetic number, because the mean of its divisors is an integer number (1219504).

Almost surely, 24268257 is an apocalyptic number.

It is an amenable number.

4268257 is a deficient number, since it is larger than the sum of its proper divisors (609759).

4268257 is an equidigital number, since it uses as much as digits as its factorization.

4268257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609758.

The product of its digits is 26880, while the sum is 34.

The square root of 4268257 is about 2065.9760405193. The cubic root of 4268257 is about 162.2122022299.

The spelling of 4268257 in words is "four million, two hundred sixty-eight thousand, two hundred fifty-seven".

Divisors: 1 7 609751 4268257