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487456872 = 23374170769
BaseRepresentation
bin11101000011100…
…000000001101000
31020222020101010020
4131003200001220
51444242104442
6120211520440
715036213030
oct3503400150
91228211106
10487456872
1123017a621
121172b9120
1379cb2b26
1448a4c8c0
152cbdb9ec
hex1d0e0068

487456872 has 64 divisors (see below), whose sum is σ = 1426723200. Its totient is φ = 135874560.

The previous prime is 487456867. The next prime is 487456877. The reversal of 487456872 is 278654784.

It is an interprime number because it is at equal distance from previous prime (487456867) and next prime (487456877).

It is a super-2 number, since 2×4874568722 = 475228404120048768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (487456877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28497 + ... + 42272.

It is an arithmetic number, because the mean of its divisors is an integer number (22292550).

Almost surely, 2487456872 is an apocalyptic number.

487456872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

487456872 is an abundant number, since it is smaller than the sum of its proper divisors (939266328).

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

487456872 is a wasteful number, since it uses less digits than its factorization.

487456872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70826 (or 70822 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The square root of 487456872 is about 22078.4254873394. The cubic root of 487456872 is about 787.0072487085.

The spelling of 487456872 in words is "four hundred eighty-seven million, four hundred fifty-six thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 41 42 56 82 84 123 164 168 246 287 328 492 574 861 984 1148 1722 2296 3444 6888 70769 141538 212307 283076 424614 495383 566152 849228 990766 1486149 1698456 1981532 2901529 2972298 3963064 5803058 5944596 8704587 11606116 11889192 17409174 20310703 23212232 34818348 40621406 60932109 69636696 81242812 121864218 162485624 243728436 487456872