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86126400 = 2632525981
BaseRepresentation
bin1010010001000…
…10111101000000
320000001200012200
411020202331000
5134022021100
612313553200
72064030243
oct510427500
9200050180
1086126400
1144686048
1224a15800
1314ac6a89
14b61d25a
157863e00
hex5222f40

86126400 has 126 divisors (see below), whose sum is σ = 306164742. Its totient is φ = 22963200.

The previous prime is 86126399. The next prime is 86126407. The reversal of 86126400 is 462168.

86126400 is a `hidden beast` number, since 8 + 6 + 12 + 640 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 304704 + 85821696 = 552^2 + 9264^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86126407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11410 + ... + 17390.

Almost surely, 286126400 is an apocalyptic number.

86126400 is a gapful number since it is divisible by the number (80) 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 86126400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153082371).

86126400 is an abundant number, since it is smaller than the sum of its proper divisors (220038342).

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

86126400 is a wasteful number, since it uses less digits than its factorization.

86126400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009 (or 5991 counting only the distinct ones).

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

The square root of 86126400 is about 9280.4310244729. The cubic root of 86126400 is about 441.6166424100.

Adding to 86126400 its reverse (462168), we get a palindrome (86588568).

It can be divided in two parts, 861 and 26400, that added together give a triangular number (27261 = T233).

The spelling of 86126400 in words is "eighty-six million, one hundred twenty-six thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 240 288 300 320 360 400 450 480 576 600 720 800 900 960 1200 1440 1600 1800 2400 2880 3600 4800 5981 7200 11962 14400 17943 23924 29905 35886 47848 53829 59810 71772 89715 95696 107658 119620 143544 149525 179430 191392 215316 239240 269145 287088 299050 358860 382784 430632 448575 478480 538290 574176 598100 717720 861264 897150 956960 1076580 1148352 1196200 1345725 1435440 1722528 1794300 1913920 2153160 2392400 2691450 2870880 3445056 3588600 4306320 4784800 5382900 5741760 7177200 8612640 9569600 10765800 14354400 17225280 21531600 28708800 43063200 86126400