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87041266 = 2136154881
BaseRepresentation
bin1010011000000…
…10010011110010
320001210011011121
411030002103302
5134240310031
612345332454
72104560424
oct514022362
9201704147
1087041266
1145150434
122519712a
1315057310
14b7ba814
157995011
hex53024f2

87041266 has 16 divisors (see below), whose sum is σ = 142912728. Its totient is φ = 39513600.

The previous prime is 87041249. The next prime is 87041281. The reversal of 87041266 is 66214078.

It can be written as a sum of positive squares in 4 ways, for example, as 13579225 + 73462041 = 3685^2 + 8571^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25855 + ... + 29026.

Almost surely, 287041266 is an apocalyptic number.

87041266 is a deficient number, since it is larger than the sum of its proper divisors (55871462).

87041266 is a wasteful number, since it uses less digits than its factorization.

87041266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54957.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 87041266 is about 9329.5908806335. The cubic root of 87041266 is about 443.1748091842.

The spelling of 87041266 in words is "eighty-seven million, forty-one thousand, two hundred sixty-six".

Divisors: 1 2 13 26 61 122 793 1586 54881 109762 713453 1426906 3347741 6695482 43520633 87041266