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2105432234 = 28111298047
BaseRepresentation
bin111110101111110…
…0101100010101010
312102201202001001122
41331133211202222
513302442312414
6544530415242
7103113610253
oct17537454252
95381661048
102105432234
11990509444
124a9131522
132772705b9
1415d8a1b2a
15c4c8bb8e
hex7d7e58aa

2105432234 has 8 divisors (see below), whose sum is σ = 3162044928. Its totient is φ = 1051417260.

The previous prime is 2105432207. The next prime is 2105432267. The reversal of 2105432234 is 4322345012.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647402 + ... + 650645.

It is an arithmetic number, because the mean of its divisors is an integer number (395255616).

Almost surely, 22105432234 is an apocalyptic number.

2105432234 is a deficient number, since it is larger than the sum of its proper divisors (1056612694).

2105432234 is a wasteful number, since it uses less digits than its factorization.

2105432234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298860.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2105432234 is about 45884.9892012628. The cubic root of 2105432234 is about 1281.6824056318.

Adding to 2105432234 its reverse (4322345012), we get a palindrome (6427777246).

The spelling of 2105432234 in words is "two billion, one hundred five million, four hundred thirty-two thousand, two hundred thirty-four".

Divisors: 1 2 811 1622 1298047 2596094 1052716117 2105432234