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428125412 = 221113748471
BaseRepresentation
bin11001100001001…
…010110011100100
31002211121000122202
4121201022303210
51334100003122
6110252114032
713416002021
oct3141126344
91084530582
10428125412
111aa735a60
12bb465918
136a90b260
1440c06548
15278bbe92
hex1984ace4

428125412 has 24 divisors (see below), whose sum is σ = 880203072. Its totient is φ = 179632800.

The previous prime is 428125393. The next prime is 428125441. The reversal of 428125412 is 214521824.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 373664 + ... + 374807.

It is an arithmetic number, because the mean of its divisors is an integer number (36675128).

Almost surely, 2428125412 is an apocalyptic number.

It is an amenable number.

428125412 is an abundant number, since it is smaller than the sum of its proper divisors (452077660).

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

428125412 is a wasteful number, since it uses less digits than its factorization.

428125412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748499 (or 748497 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 428125412 is about 20691.1916524883. The cubic root of 428125412 is about 753.6858046383.

The spelling of 428125412 in words is "four hundred twenty-eight million, one hundred twenty-five thousand, four hundred twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 748471 1496942 2993884 8233181 9730123 16466362 19460246 32932724 38920492 107031353 214062706 428125412