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86769080 = 2352169227
BaseRepresentation
bin1010010101111…
…11110110111000
320001021022210122
411022333312320
5134203102310
612335432412
72102345036
oct512776670
9201238718
1086769080
1144a84992
1225085708
1314c90468
14b749556
15793e555
hex52bfdb8

86769080 has 16 divisors (see below), whose sum is σ = 195230520. Its totient is φ = 34707616.

The previous prime is 86769049. The next prime is 86769091. The reversal of 86769080 is 8096768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084574 + ... + 1084653.

Almost surely, 286769080 is an apocalyptic number.

It is an amenable number.

86769080 is an abundant number, since it is smaller than the sum of its proper divisors (108461440).

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

86769080 is a wasteful number, since it uses less digits than its factorization.

86769080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169238 (or 2169234 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 86769080 is about 9314.9922168513. The cubic root of 86769080 is about 442.7123774388.

The spelling of 86769080 in words is "eighty-six million, seven hundred sixty-nine thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 2169227 4338454 8676908 10846135 17353816 21692270 43384540 86769080