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428383224 = 233243913553
BaseRepresentation
bin11001100010001…
…001101111111000
31002212002010022100
4121202021233320
51334131230344
6110301423400
713421124453
oct3142115770
91085063270
10428383224
111aa8a1725
12bb56ab60
136a99b6c9
1440c7249a
152791d569
hex19889bf8

428383224 has 48 divisors (see below), whose sum is σ = 1162933200. Its totient is φ = 142458624.

The previous prime is 428383217. The next prime is 428383237. The reversal of 428383224 is 422383824.

It is a happy number.

428383224 is a `hidden beast` number, since 428 + 3 + 8 + 3 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 24832 + ... + 38384.

It is an arithmetic number, because the mean of its divisors is an integer number (24227775).

Almost surely, 2428383224 is an apocalyptic number.

It is an amenable number.

428383224 is an abundant number, since it is smaller than the sum of its proper divisors (734549976).

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

428383224 is a wasteful number, since it uses less digits than its factorization.

428383224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14004 (or 13997 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 428383224 is about 20697.4207088709. The cubic root of 428383224 is about 753.8370611383.

The spelling of 428383224 in words is "four hundred twenty-eight million, three hundred eighty-three thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 439 878 1317 1756 2634 3512 3951 5268 7902 10536 13553 15804 27106 31608 40659 54212 81318 108424 121977 162636 243954 325272 487908 975816 5949767 11899534 17849301 23799068 35698602 47598136 53547903 71397204 107095806 142794408 214191612 428383224