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86245071 = 3112613487
BaseRepresentation
bin1010010001111…
…11111011001111
320000021200222220
411020333323033
5134034320241
612320310423
72065033233
oct510777317
9200250886
1086245071
1144757220
1224a72413
1314b38ab3
14b6505c3
157889166
hex523fecf

86245071 has 8 divisors (see below), whose sum is σ = 125447424. Its totient is φ = 52269720.

The previous prime is 86245067. The next prime is 86245109. The reversal of 86245071 is 17054268.

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

It is not a de Polignac number, because 86245071 - 22 = 86245067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2613487 = 86245071 / (8 + 6 + 2 + 4 + 5 + 0 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86245001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306711 + ... + 1306776.

It is an arithmetic number, because the mean of its divisors is an integer number (15680928).

Almost surely, 286245071 is an apocalyptic number.

86245071 is a deficient number, since it is larger than the sum of its proper divisors (39202353).

86245071 is a wasteful number, since it uses less digits than its factorization.

86245071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613501.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 86245071 is about 9286.8224382724. The cubic root of 86245071 is about 441.8193794605.

It can be divided in two parts, 8624 and 5071, that added together give a triangular number (13695 = T165).

The spelling of 86245071 in words is "eighty-six million, two hundred forty-five thousand, seventy-one".

Divisors: 1 3 11 33 2613487 7840461 28748357 86245071