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86030665 = 572458019
BaseRepresentation
bin1010010000010…
…11100101001001
312222212210212221
411020023211021
5134010440130
612311534041
72063151160
oct510134511
9188783787
1086030665
1144620126
122498a321
1314a92326
14b5d63d7
15784587a
hex520b949

86030665 has 8 divisors (see below), whose sum is σ = 117984960. Its totient is φ = 58992432.

The previous prime is 86030653. The next prime is 86030683. The reversal of 86030665 is 56603068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86030665 - 223 = 77642057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86030665.

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, 1228975 + ... + 1229044.

It is an arithmetic number, because the mean of its divisors is an integer number (14748120).

Almost surely, 286030665 is an apocalyptic number.

It is an amenable number.

86030665 is a deficient number, since it is larger than the sum of its proper divisors (31954295).

86030665 is a wasteful number, since it uses less digits than its factorization.

86030665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458031.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 86030665 is about 9275.2716941338. The cubic root of 86030665 is about 441.4529533673.

The spelling of 86030665 in words is "eighty-six million, thirty thousand, six hundred sixty-five".

Divisors: 1 5 7 35 2458019 12290095 17206133 86030665