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86763008 = 29971747
BaseRepresentation
bin1010010101111…
…10011000000000
320001021000110202
411022332120000
5134202404013
612335344332
72102321243
oct512763000
9201230422
1086763008
1144a80372
12250820a8
1314c8a777
14b74725a
15793c858
hex52be600

86763008 has 40 divisors (see below), whose sum is σ = 175243992. Its totient is φ = 42909696.

The previous prime is 86763007. The next prime is 86763031. The reversal of 86763008 is 80036768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86763007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48791 + ... + 50537.

Almost surely, 286763008 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 86763008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87621996).

86763008 is an abundant number, since it is smaller than the sum of its proper divisors (88480984).

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

86763008 is an equidigital number, since it uses as much as digits as its factorization.

86763008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 86763008 is about 9314.6662849508. Note that the first 3 decimals coincide. The cubic root of 86763008 is about 442.7020503643.

The spelling of 86763008 in words is "eighty-six million, seven hundred sixty-three thousand, eight".

Divisors: 1 2 4 8 16 32 64 97 128 194 256 388 512 776 1552 1747 3104 3494 6208 6988 12416 13976 24832 27952 49664 55904 111808 169459 223616 338918 447232 677836 894464 1355672 2711344 5422688 10845376 21690752 43381504 86763008