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6828536400 = 243527812921
BaseRepresentation
bin1100101110000001…
…10011001001010000
3122121220002120221120
412113000303021100
5102441101131100
63045331122240
7331134413250
oct62700631120
918556076846
106828536400
112994592514
1213a6a43380
1384a9306aa
1448ac85960
1529e74a0a0
hex197033250

6828536400 has 120 divisors (see below), whose sum is σ = 24998977344. Its totient is φ = 1560806400.

The previous prime is 6828536383. The next prime is 6828536413. The reversal of 6828536400 is 46358286.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×68285364002 = 93257818732249920000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 398061 + ... + 414860.

Almost surely, 26828536400 is an apocalyptic number.

6828536400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6828536400 is an abundant number, since it is smaller than the sum of its proper divisors (18170440944).

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

6828536400 is a wasteful number, since it uses less digits than its factorization.

6828536400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812949 (or 812938 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 6828536400 is about 82634.9587039287. The cubic root of 6828536400 is about 1897.1829351788.

The spelling of 6828536400 in words is "six billion, eight hundred twenty-eight million, five hundred thirty-six thousand, four hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 140 150 168 175 200 210 240 280 300 336 350 400 420 525 560 600 700 840 1050 1200 1400 1680 2100 2800 4200 8400 812921 1625842 2438763 3251684 4064605 4877526 5690447 6503368 8129210 9755052 11380894 12193815 13006736 16258420 17071341 19510104 20323025 22761788 24387630 28452235 32516840 34142682 39020208 40646050 45523576 48775260 56904470 60969075 65033680 68285364 81292100 85356705 91047152 97550520 113808940 121938150 136570728 142261175 162584200 170713410 195101040 227617880 243876300 273141456 284522350 325168400 341426820 426783525 455235760 487752600 569044700 682853640 853567050 975505200 1138089400 1365707280 1707134100 2276178800 3414268200 6828536400