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64268100 = 223352131831
BaseRepresentation
bin1111010100101…
…0011101000100
311110221011021000
43311022131010
5112423034400
610213253300
71410161361
oct365123504
9143834230
1064268100
1133306636
1219634230
1310412880
14876d468
155997600
hex3d4a744

64268100 has 144 divisors (see below), whose sum is σ = 222624640. Its totient is φ = 15811200.

The previous prime is 64268081. The next prime is 64268117. The reversal of 64268100 is 186246.

64268100 is a `hidden beast` number, since 642 + 6 + 8 + 10 + 0 = 666.

64268100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×642681002 = 8260777355220000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34185 + ... + 36015.

Almost surely, 264268100 is an apocalyptic number.

64268100 is a gapful number since it is divisible by the number (60) 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 64268100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111312320).

64268100 is an abundant number, since it is smaller than the sum of its proper divisors (158356540).

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

64268100 is a wasteful number, since it uses less digits than its factorization.

64268100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 64268100 is about 8016.7387384148. The cubic root of 64268100 is about 400.5577635547.

The spelling of 64268100 in words is "sixty-four million, two hundred sixty-eight thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 27 30 36 39 45 50 52 54 60 65 75 78 90 100 108 117 130 135 150 156 180 195 225 234 260 270 300 325 351 390 450 468 540 585 650 675 702 780 900 975 1170 1300 1350 1404 1755 1831 1950 2340 2700 2925 3510 3662 3900 5493 5850 7020 7324 8775 9155 10986 11700 16479 17550 18310 21972 23803 27465 32958 35100 36620 45775 47606 49437 54930 65916 71409 82395 91550 95212 98874 109860 119015 137325 142818 164790 183100 197748 214227 238030 247185 274650 285636 329580 357045 411975 428454 476060 494370 549300 595075 642681 714090 823950 856908 988740 1071135 1190150 1235925 1285362 1428180 1647900 1785225 2142270 2380300 2471850 2570724 3213405 3570450 4284540 4943700 5355675 6426810 7140900 10711350 12853620 16067025 21422700 32134050 64268100