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84305393 = 163517211
BaseRepresentation
bin1010000011001…
…10010111110001
312212122011020222
411001212113301
5133040233033
612210542425
72042404214
oct501462761
9185564228
1084305393
1143651987
1224297a15
1314609c63
14b2a777b
157604598
hex50665f1

84305393 has 4 divisors (see below), whose sum is σ = 84822768. Its totient is φ = 83788020.

The previous prime is 84305387. The next prime is 84305401. The reversal of 84305393 is 39350348.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84305393 - 210 = 84304369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84305383) 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 3 ways as a sum of consecutive naturals, for example, 258443 + ... + 258768.

It is an arithmetic number, because the mean of its divisors is an integer number (21205692).

Almost surely, 284305393 is an apocalyptic number.

It is an amenable number.

84305393 is a deficient number, since it is larger than the sum of its proper divisors (517375).

84305393 is a wasteful number, since it uses less digits than its factorization.

84305393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517374.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 84305393 is about 9181.7968285080. The cubic root of 84305393 is about 438.4820159332.

The spelling of 84305393 in words is "eighty-four million, three hundred five thousand, three hundred ninety-three".

Divisors: 1 163 517211 84305393