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1428944204 = 223495092011
BaseRepresentation
bin101010100101011…
…1111010101001100
310200120210212221102
41111022333111030
510411302203304
6353443122232
750260553042
oct12512772514
93616725842
101428944204
11673668a26
1233a673378
1319a07401c
14d7ac8392
15856b0d1e
hex552bf54c

1428944204 has 24 divisors (see below), whose sum is σ = 2513994000. Its totient is φ = 710671680.

The previous prime is 1428944203. The next prime is 1428944213. The reversal of 1428944204 is 4024498241.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1428944203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709559 + ... + 711569.

It is an arithmetic number, because the mean of its divisors is an integer number (104749750).

Almost surely, 21428944204 is an apocalyptic number.

It is an amenable number.

1428944204 is a deficient number, since it is larger than the sum of its proper divisors (1085049796).

1428944204 is a wasteful number, since it uses less digits than its factorization.

1428944204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 1428944204 is about 37801.3783346586. The cubic root of 1428944204 is about 1126.3458340158.

The spelling of 1428944204 in words is "one billion, four hundred twenty-eight million, nine hundred forty-four thousand, two hundred four".

Divisors: 1 2 4 349 509 698 1018 1396 2011 2036 4022 8044 177641 355282 701839 710564 1023599 1403678 2047198 2807356 4094396 357236051 714472102 1428944204