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487111020 = 2235112332089
BaseRepresentation
bin11101000010001…
…011100101101100
31020221120210200220
4131002023211230
51444200023040
6120200251340
715033242514
oct3502134554
91227523626
10487111020
1122aa637a0
12117170b50
1379bc1596
144899c844
152cb6e2d0
hex1d08b96c

487111020 has 96 divisors (see below), whose sum is σ = 1552642560. Its totient is φ = 112949760.

The previous prime is 487111019. The next prime is 487111033. The reversal of 487111020 is 20111784.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865 + ... + 31224.

It is an arithmetic number, because the mean of its divisors is an integer number (16173360).

Almost surely, 2487111020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776321280).

487111020 is an abundant number, since it is smaller than the sum of its proper divisors (1065531540).

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

487111020 is a wasteful number, since it uses less digits than its factorization.

487111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32135 (or 32133 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 487111020 is about 22070.5917455785. The cubic root of 487111020 is about 786.8210767312.

The spelling of 487111020 in words is "four hundred eighty-seven million, one hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 23 30 33 44 46 55 60 66 69 92 110 115 132 138 165 220 230 253 276 330 345 460 506 660 690 759 1012 1265 1380 1518 2530 3036 3795 5060 7590 15180 32089 64178 96267 128356 160445 192534 320890 352979 385068 481335 641780 705958 738047 962670 1058937 1411916 1476094 1764895 1925340 2117874 2214141 2952188 3529790 3690235 4235748 4428282 5294685 7059580 7380470 8118517 8856564 10589370 11070705 14760940 16237034 21178740 22141410 24355551 32474068 40592585 44282820 48711102 81185170 97422204 121777755 162370340 243555510 487111020