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4257331 = 133753167
BaseRepresentation
bin10000001111011000110011
322000021221221
4100033120303
52042213311
6231125511
751121021
oct20173063
98007857
104257331
112448661
121513897
13b60a40
147cb711
15591671
hex40f633

4257331 has 16 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 3729024.

The previous prime is 4257313. The next prime is 4257353. The reversal of 4257331 is 1337524.

It is not a de Polignac number, because 4257331 - 27 = 4257203 is a prime.

It is a super-2 number, since 2×42573312 = 36249734487122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4257296 and 4257305.

It is not an unprimeable number, because it can be changed into a prime (4257371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25410 + ... + 25576.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

Almost surely, 24257331 is an apocalyptic number.

4257331 is a deficient number, since it is larger than the sum of its proper divisors (568973).

4257331 is a wasteful number, since it uses less digits than its factorization.

4257331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its digits is 2520, while the sum is 25.

The square root of 4257331 is about 2063.3300753878. The cubic root of 4257331 is about 162.0736722271.

The spelling of 4257331 in words is "four million, two hundred fifty-seven thousand, three hundred thirty-one".

Divisors: 1 13 37 53 167 481 689 1961 2171 6179 8851 25493 80327 115063 327487 4257331