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512295680 = 28513171811
BaseRepresentation
bin11110100010010…
…000001100000000
31022200222022120002
4132202100030000
52022121430210
6122500135132
715460304261
oct3642201400
91280868502
10512295680
112431a5366
121236974a8
138219b850
144c076968
152ee964a5
hex1e890300

512295680 has 144 divisors (see below), whose sum is σ = 1400009184. Its totient is φ = 177930240.

The previous prime is 512295647. The next prime is 512295691. The reversal of 512295680 is 86592215.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281975 + ... + 283785.

It is an arithmetic number, because the mean of its divisors is an integer number (9722286).

Almost surely, 2512295680 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 512295680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700004592).

512295680 is an abundant number, since it is smaller than the sum of its proper divisors (887713504).

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

512295680 is a wasteful number, since it uses less digits than its factorization.

512295680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 512295680 is about 22633.9497216018. The cubic root of 512295680 is about 800.1539703645.

The spelling of 512295680 in words is "five hundred twelve million, two hundred ninety-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 64 65 68 80 85 104 128 130 136 160 170 208 221 256 260 272 320 340 416 442 520 544 640 680 832 884 1040 1088 1105 1280 1360 1664 1768 1811 2080 2176 2210 2720 3328 3536 3622 4160 4352 4420 5440 7072 7244 8320 8840 9055 10880 14144 14488 16640 17680 18110 21760 23543 28288 28976 30787 35360 36220 47086 56576 57952 61574 70720 72440 94172 115904 117715 123148 141440 144880 153935 188344 231808 235430 246296 282880 289760 307870 376688 400231 463616 470860 492592 579520 615740 753376 800462 941720 985184 1159040 1231480 1506752 1600924 1883440 1970368 2001155 2318080 2462960 3013504 3201848 3766880 3940736 4002310 4925920 6027008 6403696 7533760 7881472 8004620 9851840 12807392 15067520 16009240 19703680 25614784 30135040 32018480 39407360 51229568 64036960 102459136 128073920 256147840 512295680