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84768315 = 358368087
BaseRepresentation
bin1010000110101…
…11011000111011
312220111200021020
411003113120323
5133200041230
612224513523
72046342642
oct503273073
9186450236
1084768315
1143938765
122447b8a3
131473c888
14b388359
157696810
hex50d763b

84768315 has 16 divisors (see below), whose sum is σ = 137265408. Its totient is φ = 44664416.

The previous prime is 84768311. The next prime is 84768323. The reversal of 84768315 is 51386748.

It is a cyclic number.

It is not a de Polignac number, because 84768315 - 22 = 84768311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84768311) 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, 32799 + ... + 35288.

It is an arithmetic number, because the mean of its divisors is an integer number (8579088).

Almost surely, 284768315 is an apocalyptic number.

84768315 is a deficient number, since it is larger than the sum of its proper divisors (52497093).

84768315 is a wasteful number, since it uses less digits than its factorization.

84768315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68178.

The product of its digits is 161280, while the sum is 42.

The square root of 84768315 is about 9206.9710002802. The cubic root of 84768315 is about 439.2831215582.

The spelling of 84768315 in words is "eighty-four million, seven hundred sixty-eight thousand, three hundred fifteen".

Divisors: 1 3 5 15 83 249 415 1245 68087 204261 340435 1021305 5651221 16953663 28256105 84768315