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84942319 = 7111764891
BaseRepresentation
bin1010001000000…
…01110111101111
312220211111221211
411010001313233
5133221123234
612232335251
72050666150
oct504016757
9186744854
1084942319
1143a47470
1224544527
13147a0b37
14b3d1927
1576cd164
hex5101def

84942319 has 16 divisors (see below), whose sum is σ = 112133376. Its totient is φ = 62294400.

The previous prime is 84942311. The next prime is 84942323. The reversal of 84942319 is 91324948.

It is not a de Polignac number, because 84942319 - 23 = 84942311 is a prime.

It is a super-2 number, since 2×849423192 = 14430395114195522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84942311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31137 + ... + 33754.

It is an arithmetic number, because the mean of its divisors is an integer number (7008336).

Almost surely, 284942319 is an apocalyptic number.

84942319 is a deficient number, since it is larger than the sum of its proper divisors (27191057).

84942319 is a wasteful number, since it uses less digits than its factorization.

84942319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64926.

The product of its digits is 62208, while the sum is 40.

The square root of 84942319 is about 9216.4157349807. The cubic root of 84942319 is about 439.5834884231.

The spelling of 84942319 in words is "eighty-four million, nine hundred forty-two thousand, three hundred nineteen".

Divisors: 1 7 11 17 77 119 187 1309 64891 454237 713801 1103147 4996607 7722029 12134617 84942319