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3287564490 = 2357197311287
BaseRepresentation
bin1100001111110100…
…0100000011001010
322111010010120122210
43003331010003022
523213104030430
61302115525550
7144316560060
oct30375040312
98433116583
103287564490
111437820951
12778bb98b6
1340514a042
142328a0030
151439482b0
hexc3f440ca

3287564490 has 128 divisors (see below), whose sum is σ = 9622794240. Its totient is φ = 702079488.

The previous prime is 3287564461. The next prime is 3287564491. The reversal of 3287564490 is 944657823.

It is not an unprimeable number, because it can be changed into a prime (3287564491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 285627 + ... + 296913.

It is an arithmetic number, because the mean of its divisors is an integer number (75178080).

Almost surely, 23287564490 is an apocalyptic number.

3287564490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3287564490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4811397120).

3287564490 is an abundant number, since it is smaller than the sum of its proper divisors (6335229750).

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

3287564490 is a wasteful number, since it uses less digits than its factorization.

3287564490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 3287564490 is about 57337.2870826655. The cubic root of 3287564490 is about 1486.9330922587.

The spelling of 3287564490 in words is "three billion, two hundred eighty-seven million, five hundred sixty-four thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 73 95 105 114 133 146 190 210 219 266 285 365 399 438 511 570 665 730 798 1022 1095 1330 1387 1533 1995 2190 2555 2774 3066 3990 4161 5110 6935 7665 8322 9709 11287 13870 15330 19418 20805 22574 29127 33861 41610 48545 56435 58254 67722 79009 97090 112870 145635 158018 169305 214453 237027 291270 338610 395045 428906 474054 643359 790090 823951 1072265 1185135 1286718 1501171 1647902 2144530 2370270 2471853 3002342 3216795 4119755 4503513 4943706 5767657 6433590 7505855 8239510 9007026 11535314 12359265 15011710 15655069 17302971 22517565 24718530 28838285 31310138 34605942 45035130 46965207 57676570 78275345 86514855 93930414 109585483 156550690 173029710 219170966 234826035 328756449 469652070 547927415 657512898 1095854830 1643782245 3287564490