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86030005 = 5192339373
BaseRepresentation
bin1010010000010…
…11011010110101
312222212202222111
411020023122311
5134010430010
612311531021
72063146225
oct510133265
9188782874
1086030005
114461a686
1224989a71
1314a91c39
14b5d6085
15784558a
hex520b6b5

86030005 has 16 divisors (see below), whose sum is σ = 113397120. Its totient is φ = 62365248.

The previous prime is 86030003. The next prime is 86030023. The reversal of 86030005 is 50003068.

It is a cyclic number.

It is not a de Polignac number, because 86030005 - 21 = 86030003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86030003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17502 + ... + 21871.

It is an arithmetic number, because the mean of its divisors is an integer number (7087320).

Almost surely, 286030005 is an apocalyptic number.

It is an amenable number.

86030005 is a deficient number, since it is larger than the sum of its proper divisors (27367115).

86030005 is a wasteful number, since it uses less digits than its factorization.

86030005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39420.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 86030005 is about 9275.2361155930. The cubic root of 86030005 is about 441.4518244687.

The spelling of 86030005 in words is "eighty-six million, thirty thousand, five".

Divisors: 1 5 19 23 95 115 437 2185 39373 196865 748087 905579 3740435 4527895 17206001 86030005