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4428241 = 5238467
BaseRepresentation
bin10000111001000111010001
322022222101221
4100321013101
52113200431
6234525041
752432216
oct20710721
98288357
104428241
112555004
121596781
13bc077c
14833b0d
155c7111
hex4391d1

4428241 has 4 divisors (see below), whose sum is σ = 4437232. Its totient is φ = 4419252.

The previous prime is 4428239. The next prime is 4428247. The reversal of 4428241 is 1428244.

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 not a de Polignac number, because 4428241 - 21 = 4428239 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3711 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (1109308).

Almost surely, 24428241 is an apocalyptic number.

It is an amenable number.

4428241 is a deficient number, since it is larger than the sum of its proper divisors (8991).

4428241 is an equidigital number, since it uses as much as digits as its factorization.

4428241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990.

The product of its digits is 2048, while the sum is 25.

The square root of 4428241 is about 2104.3386134365. The cubic root of 4428241 is about 164.2140893285.

The spelling of 4428241 in words is "four million, four hundred twenty-eight thousand, two hundred forty-one".

Divisors: 1 523 8467 4428241