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86740742 = 21115126111
BaseRepresentation
bin1010010101110…
…00111100000110
320001012212221002
411022320330012
5134201200432
612335053302
72102166314
oct512707406
9201185832
1086740742
1144a65670
1225071232
1314c805aa
14b73d0b4
157935e62
hex52b8f06

86740742 has 16 divisors (see below), whose sum is σ = 142884864. Its totient is φ = 39165000.

The previous prime is 86740741. The next prime is 86740747. The reversal of 86740742 is 24704768.

It is a junction number, because it is equal to n+sod(n) for n = 86740696 and 86740705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86740741) 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 7 ways as a sum of consecutive naturals, for example, 9734 + ... + 16377.

It is an arithmetic number, because the mean of its divisors is an integer number (8930304).

Almost surely, 286740742 is an apocalyptic number.

86740742 is a deficient number, since it is larger than the sum of its proper divisors (56144122).

86740742 is a wasteful number, since it uses less digits than its factorization.

86740742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26275.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 86740742 is about 9313.4709963579. The cubic root of 86740742 is about 442.6641768995.

The spelling of 86740742 in words is "eighty-six million, seven hundred forty thousand, seven hundred forty-two".

Divisors: 1 2 11 22 151 302 1661 3322 26111 52222 287221 574442 3942761 7885522 43370371 86740742