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87869596 = 22101217499
BaseRepresentation
bin1010011110011…
…00100010011100
320010100020102111
411033030202130
5134443311341
612415203404
72114610403
oct517144234
9203306374
1087869596
1145666801
1225516564
1315287359
14b95463a
157aaa681
hex53cc89c

87869596 has 12 divisors (see below), whose sum is σ = 155295000. Its totient is φ = 43499600.

The previous prime is 87869581. The next prime is 87869653. The reversal of 87869596 is 69596878.

It is a self number, because there is not a number n which added to its sum of digits gives 87869596.

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 3 ways as a sum of consecutive naturals, for example, 108346 + ... + 109153.

It is an arithmetic number, because the mean of its divisors is an integer number (12941250).

Almost surely, 287869596 is an apocalyptic number.

It is an amenable number.

87869596 is a deficient number, since it is larger than the sum of its proper divisors (67425404).

87869596 is a wasteful number, since it uses less digits than its factorization.

87869596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217604 (or 217602 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 87869596 is about 9373.8783862391. The cubic root of 87869596 is about 444.5762004832.

The spelling of 87869596 in words is "eighty-seven million, eight hundred sixty-nine thousand, five hundred ninety-six".

Divisors: 1 2 4 101 202 404 217499 434998 869996 21967399 43934798 87869596