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4257441 = 3452561
BaseRepresentation
bin10000001111011010100001
322000022010000
4100033122201
52042214231
6231130213
751121236
oct20173241
98008100
104257441
112448751
121513969
13b60ac6
147cb78d
155916e6
hex40f6a1

4257441 has 10 divisors (see below), whose sum is σ = 6360002. Its totient is φ = 2838240.

The previous prime is 4257413. The next prime is 4257467. The reversal of 4257441 is 1447524.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 156816 = 2025^2 + 396^2 .

It is not a de Polignac number, because 4257441 - 27 = 4257313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257041) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26200 + ... + 26361.

Almost surely, 24257441 is an apocalyptic number.

It is an amenable number.

4257441 is a deficient number, since it is larger than the sum of its proper divisors (2102561).

4257441 is an equidigital number, since it uses as much as digits as its factorization.

4257441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52573 (or 52564 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4257441 is about 2063.3567311544. The cubic root of 4257441 is about 162.0750680900.

The spelling of 4257441 in words is "four million, two hundred fifty-seven thousand, four hundred forty-one".

Divisors: 1 3 9 27 81 52561 157683 473049 1419147 4257441