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84300891 = 3191478963
BaseRepresentation
bin1010000011001…
…01010001011011
312212121221002020
411001211101123
5133040112031
612210505523
72042355123
oct501452133
9185557066
1084300891
1143649564
12242952a3
1314607bac
14b2a5c83
157603096
hex506545b

84300891 has 8 divisors (see below), whose sum is σ = 118317120. Its totient is φ = 53242632.

The previous prime is 84300877. The next prime is 84300901. The reversal of 84300891 is 19800348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84300891 - 211 = 84298843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84300871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739425 + ... + 739538.

It is an arithmetic number, because the mean of its divisors is an integer number (14789640).

Almost surely, 284300891 is an apocalyptic number.

84300891 is a deficient number, since it is larger than the sum of its proper divisors (34016229).

84300891 is a wasteful number, since it uses less digits than its factorization.

84300891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478985.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 84300891 is about 9181.5516662490. The cubic root of 84300891 is about 438.4742106549.

The spelling of 84300891 in words is "eighty-four million, three hundred thousand, eight hundred ninety-one".

Divisors: 1 3 19 57 1478963 4436889 28100297 84300891