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4467428 = 227223991
BaseRepresentation
bin10001000010101011100100
322101222011022
4101002223210
52120424203
6235430312
752654400
oct21025344
98358138
104467428
112581499
1215b5398
13c05564
14844100
155d3a38
hex442ae4

4467428 has 36 divisors (see below), whose sum is σ = 9499392. Its totient is φ = 1829520.

The previous prime is 4467403. The next prime is 4467439. The reversal of 4467428 is 8247644.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4013 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (263872).

Almost surely, 24467428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4467428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4749696).

4467428 is an abundant number, since it is smaller than the sum of its proper divisors (5031964).

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

4467428 is a wasteful number, since it uses less digits than its factorization.

4467428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1023 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 4467428 is about 2113.6291065369. The cubic root of 4467428 is about 164.6970627630.

The spelling of 4467428 in words is "four million, four hundred sixty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 23 28 46 49 92 98 161 196 322 644 991 1127 1982 2254 3964 4508 6937 13874 22793 27748 45586 48559 91172 97118 159551 194236 319102 638204 1116857 2233714 4467428