Search a number
-
+
84105051 = 3272910273
BaseRepresentation
bin1010000001101…
…01011101011011
312212020222102220
411000311131123
5133012330201
612202355123
72040611142
oct500653533
9185228386
1084105051
1143525408
12241bbaa3
1314569a04
14b254759
1575b5036
hex503575b

84105051 has 8 divisors (see below), whose sum is σ = 112192080. Its totient is φ = 56044032.

The previous prime is 84105029. The next prime is 84105061. The reversal of 84105051 is 15050148.

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

It is not a de Polignac number, because 84105051 - 29 = 84104539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84105061) 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, 3051 + ... + 13323.

It is an arithmetic number, because the mean of its divisors is an integer number (14024010).

Almost surely, 284105051 is an apocalyptic number.

84105051 is a deficient number, since it is larger than the sum of its proper divisors (28087029).

84105051 is a wasteful number, since it uses less digits than its factorization.

84105051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 84105051 is about 9170.8806011200. The cubic root of 84105051 is about 438.1344065317.

Adding to 84105051 its reverse (15050148), we get a palindrome (99155199).

The spelling of 84105051 in words is "eighty-four million, one hundred five thousand, fifty-one".

Divisors: 1 3 2729 8187 10273 30819 28035017 84105051