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428674912 = 2543311537
BaseRepresentation
bin11001100011010…
…000111101100000
31002212121221102121
4121203100331200
51334220044122
6110311554024
713423451041
oct3143207540
91085557377
10428674912
111aaa80896
12bb68b914
136aa713c3
1440d0a8c8
1527979bc7
hex198d0f60

428674912 has 24 divisors (see below), whose sum is σ = 863583336. Its totient is φ = 209352192.

The previous prime is 428674889. The next prime is 428674919. The reversal of 428674912 is 219476824.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428674919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154393 + ... + 157144.

It is an arithmetic number, because the mean of its divisors is an integer number (35982639).

Almost surely, 2428674912 is an apocalyptic number.

It is an amenable number.

428674912 is an abundant number, since it is smaller than the sum of its proper divisors (434908424).

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

428674912 is a wasteful number, since it uses less digits than its factorization.

428674912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311590 (or 311582 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 428674912 is about 20704.4659916647. The cubic root of 428674912 is about 754.0081192971.

The spelling of 428674912 in words is "four hundred twenty-eight million, six hundred seventy-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 311537 623074 1246148 2492296 4984592 9969184 13396091 26792182 53584364 107168728 214337456 428674912