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86300081 = 712328583
BaseRepresentation
bin1010010010011…
…01010110110001
320000101111110022
411021031112301
5134043100311
612321413225
72065352510
oct511152661
9200344408
1086300081
114479458a
1224a9a215
1314b57b4a
14b666677
15789a5db
hex524d5b1

86300081 has 4 divisors (see below), whose sum is σ = 98628672. Its totient is φ = 73971492.

The previous prime is 86300069. The next prime is 86300099. The reversal of 86300081 is 18000368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86300081 - 214 = 86283697 is a prime.

It is a super-2 number, since 2×863000812 = 14895407961213122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86300081.

It is not an unprimeable number, because it can be changed into a prime (86330081) 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 3 ways as a sum of consecutive naturals, for example, 6164285 + ... + 6164298.

It is an arithmetic number, because the mean of its divisors is an integer number (24657168).

Almost surely, 286300081 is an apocalyptic number.

It is an amenable number.

86300081 is a deficient number, since it is larger than the sum of its proper divisors (12328591).

86300081 is a wasteful number, since it uses less digits than its factorization.

86300081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12328590.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 86300081 is about 9289.7836896238. The cubic root of 86300081 is about 441.9132952372.

The spelling of 86300081 in words is "eighty-six million, three hundred thousand, eighty-one".

Divisors: 1 7 12328583 86300081