Search a number
-
+
4428004 = 227158143
BaseRepresentation
bin10000111001000011100100
322022222002011
4100321003210
52113144004
6234524004
752431430
oct20710344
98288064
104428004
112554909
121596604
13bc0629
148339c0
155c7004
hex4390e4

4428004 has 12 divisors (see below), whose sum is σ = 8856064. Its totient is φ = 1897704.

The previous prime is 4428001. The next prime is 4428013. The reversal of 4428004 is 4008244.

4428004 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4428001) 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, 79044 + ... + 79099.

Almost surely, 24428004 is an apocalyptic number.

It is an amenable number.

4428004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4428004 is a wasteful number, since it uses less digits than its factorization.

4428004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158154 (or 158152 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4428004 is about 2104.2823004531. The cubic root of 4428004 is about 164.2111596902.

The spelling of 4428004 in words is "four million, four hundred twenty-eight thousand, four".

Divisors: 1 2 4 7 14 28 158143 316286 632572 1107001 2214002 4428004