Search a number
-
+
105084087 = 335028029
BaseRepresentation
bin1100100001101…
…11010010110111
321022201211021020
412100313102313
5203400142322
614232152223
72414125413
oct620672267
9238654236
10105084087
1154354259
122b238673
1318a03944
14dd55d43
15935b05c
hex64374b7

105084087 has 4 divisors (see below), whose sum is σ = 140112120. Its totient is φ = 70056056.

The previous prime is 105084053. The next prime is 105084103. The reversal of 105084087 is 780480501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105084087 - 211 = 105082039 is a prime.

It is a super-2 number, since 2×1050840872 = 22085330681247138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105084037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17514012 + ... + 17514017.

It is an arithmetic number, because the mean of its divisors is an integer number (35028030).

Almost surely, 2105084087 is an apocalyptic number.

105084087 is a deficient number, since it is larger than the sum of its proper divisors (35028033).

105084087 is an equidigital number, since it uses as much as digits as its factorization.

105084087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35028032.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 105084087 is about 10251.0529703051. The cubic root of 105084087 is about 471.8952999001.

The spelling of 105084087 in words is "one hundred five million, eighty-four thousand, eighty-seven".

Divisors: 1 3 35028029 105084087