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86197748 = 22713236807
BaseRepresentation
bin1010010001101…
…00010111110100
320000012022002012
411020310113310
5134031311443
612315303352
72064445250
oct510642764
9200168065
1086197748
114472470a
1224a4ab58
1314b203b0
14b63b260
15787a118
hex52345f4

86197748 has 24 divisors (see below), whose sum is σ = 185657472. Its totient is φ = 34100064.

The previous prime is 86197739. The next prime is 86197777. The reversal of 86197748 is 84779168.

It is a junction number, because it is equal to n+sod(n) for n = 86197696 and 86197705.

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 7 ways as a sum of consecutive naturals, for example, 118040 + ... + 118767.

It is an arithmetic number, because the mean of its divisors is an integer number (7735728).

Almost surely, 286197748 is an apocalyptic number.

It is an amenable number.

86197748 is an abundant number, since it is smaller than the sum of its proper divisors (99459724).

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

86197748 is a wasteful number, since it uses less digits than its factorization.

86197748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236831 (or 236829 counting only the distinct ones).

The product of its digits is 677376, while the sum is 50.

The square root of 86197748 is about 9284.2742311933. The cubic root of 86197748 is about 441.7385553486.

The spelling of 86197748 in words is "eighty-six million, one hundred ninety-seven thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 236807 473614 947228 1657649 3078491 3315298 6156982 6630596 12313964 21549437 43098874 86197748