Search a number
-
+
448403228 = 227131231877
BaseRepresentation
bin11010101110100…
…001011100011100
31011020202020120222
4122232201130130
51404242400403
6112254500512
714053236020
oct3256413434
91136666528
10448403228
11210125a89
12106204738
1371b8ac70
14437a4380
1529575338
hex1aba171c

448403228 has 24 divisors (see below), whose sum is σ = 965792352. Its totient is φ = 177390144.

The previous prime is 448403213. The next prime is 448403233. The reversal of 448403228 is 822304844.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615575 + ... + 616302.

It is an arithmetic number, because the mean of its divisors is an integer number (40241348).

Almost surely, 2448403228 is an apocalyptic number.

It is an amenable number.

448403228 is an abundant number, since it is smaller than the sum of its proper divisors (517389124).

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

448403228 is a wasteful number, since it uses less digits than its factorization.

448403228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231901 (or 1231899 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 448403228 is about 21175.5337122822. The cubic root of 448403228 is about 765.4019719513.

The spelling of 448403228 in words is "four hundred forty-eight million, four hundred three thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 1231877 2463754 4927508 8623139 16014401 17246278 32028802 34492556 64057604 112100807 224201614 448403228