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86041745 = 517208349
BaseRepresentation
bin1010010000011…
…10010010010001
312222220101002022
411020032102101
5134011313440
612312101225
72063225366
oct510162221
9188811068
1086041745
1144628489
1224994815
1314a9739a
14b5da46d
157848cb5
hex520e491

86041745 has 4 divisors (see below), whose sum is σ = 103250100. Its totient is φ = 68833392.

The previous prime is 86041741. The next prime is 86041751. The reversal of 86041745 is 54714068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56055169 + 29986576 = 7487^2 + 5476^2 .

It is a cyclic number.

It is not a de Polignac number, because 86041745 - 22 = 86041741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86041741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8604170 + ... + 8604179.

It is an arithmetic number, because the mean of its divisors is an integer number (25812525).

Almost surely, 286041745 is an apocalyptic number.

It is an amenable number.

86041745 is a deficient number, since it is larger than the sum of its proper divisors (17208355).

86041745 is a wasteful number, since it uses less digits than its factorization.

86041745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17208354.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 86041745 is about 9275.8689619895. The cubic root of 86041745 is about 441.4719043183.

The spelling of 86041745 in words is "eighty-six million, forty-one thousand, seven hundred forty-five".

Divisors: 1 5 17208349 86041745