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487427880 = 233531283463
BaseRepresentation
bin11101000011011…
…000111100101000
31020222011220100110
4131003120330220
51444240143010
6120211134320
715036032352
oct3503307450
91228156313
10487427880
1123015a865
121172a43a0
1379ca2884
1448a420d2
152cbd3120
hex1d0d8f28

487427880 has 128 divisors (see below), whose sum is σ = 1518059520. Its totient is φ = 125072640.

The previous prime is 487427879. The next prime is 487427887. The reversal of 487427880 is 88724784.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (487427887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052529 + ... + 1052991.

It is an arithmetic number, because the mean of its divisors is an integer number (11859840).

Almost surely, 2487427880 is an apocalyptic number.

487427880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487427880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759029760).

487427880 is an abundant number, since it is smaller than the sum of its proper divisors (1030631640).

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

487427880 is a wasteful number, since it uses less digits than its factorization.

487427880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 48.

The square root of 487427880 is about 22077.7689090180. The cubic root of 487427880 is about 786.9916457100.

The spelling of 487427880 in words is "four hundred eighty-seven million, four hundred twenty-seven thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 283 310 372 463 465 566 620 744 849 926 930 1132 1240 1389 1415 1698 1852 1860 2264 2315 2778 2830 3396 3704 3720 4245 4630 5556 5660 6792 6945 8490 8773 9260 11112 11320 13890 14353 16980 17546 18520 26319 27780 28706 33960 35092 43059 43865 52638 55560 57412 70184 71765 86118 87730 105276 114824 131029 131595 143530 172236 175460 210552 215295 262058 263190 287060 344472 350920 393087 430590 524116 526380 574120 655145 786174 861180 1048232 1052760 1310290 1572348 1722360 1965435 2620580 3144696 3930870 4061899 5241160 7861740 8123798 12185697 15723480 16247596 20309495 24371394 32495192 40618990 48742788 60928485 81237980 97485576 121856970 162475960 243713940 487427880