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1457864868 = 223712696361
BaseRepresentation
bin101011011100101…
…0100000010100100
310202121020012122010
41112321110002210
510441203133433
6400355034220
751061434615
oct12671240244
93677205563
101457864868
11688a214a9
1234829b970
131a305b945
14db895c0c
1587ec4e63
hex56e540a4

1457864868 has 48 divisors (see below), whose sum is σ = 3462963840. Its totient is φ = 477254400.

The previous prime is 1457864843. The next prime is 1457864873. The reversal of 1457864868 is 8684687541.

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 15 ways as a sum of consecutive naturals, for example, 226008 + ... + 232368.

It is an arithmetic number, because the mean of its divisors is an integer number (72145080).

Almost surely, 21457864868 is an apocalyptic number.

It is an amenable number.

1457864868 is an abundant number, since it is smaller than the sum of its proper divisors (2005098972).

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

1457864868 is a wasteful number, since it uses less digits than its factorization.

1457864868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708 (or 6706 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 57.

The square root of 1457864868 is about 38181.9966476349. The cubic root of 1457864868 is about 1133.8939117960.

The spelling of 1457864868 in words is "one billion, four hundred fifty-seven million, eight hundred sixty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 71 142 213 269 284 426 538 807 852 1076 1614 3228 6361 12722 19083 19099 25444 38166 38198 57297 76332 76396 114594 229188 451631 903262 1354893 1711109 1806524 2709786 3422218 5133327 5419572 6844436 10266654 20533308 121488739 242977478 364466217 485954956 728932434 1457864868