[go: up one dir, main page]

Search a number
-
+
223042105 = 51113378431
BaseRepresentation
bin11010100101101…
…01101000111001
3120112200201020201
431102311220321
5424044321410
634044322201
75345553346
oct1522655071
9515621221
10223042105
111049a0920
1262843361
13372942a0
142189d7cd
15148ab83a
hexd4b5a39

223042105 has 32 divisors (see below), whose sum is σ = 322979328. Its totient is φ = 145670400.

The previous prime is 223042067. The next prime is 223042111. The reversal of 223042105 is 501240322.

It is not a de Polignac number, because 223042105 - 27 = 223041977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22240 + ... + 30670.

It is an arithmetic number, because the mean of its divisors is an integer number (10093104).

Almost surely, 2223042105 is an apocalyptic number.

It is an amenable number.

223042105 is a deficient number, since it is larger than the sum of its proper divisors (99937223).

223042105 is a wasteful number, since it uses less digits than its factorization.

223042105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 223042105 is about 14934.5942362021. The cubic root of 223042105 is about 606.4508629782.

Adding to 223042105 its reverse (501240322), we get a palindrome (724282427).

The spelling of 223042105 in words is "two hundred twenty-three million, forty-two thousand, one hundred five".

Divisors: 1 5 11 13 37 55 65 143 185 407 481 715 2035 2405 5291 8431 26455 42155 92741 109603 311947 463705 548015 1205633 1559735 3431417 4055311 6028165 17157085 20276555 44608421 223042105