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223205141 = 1929405091
BaseRepresentation
bin11010100110111…
…01011100010101
3120112222222220002
431103131130111
5424120031031
634052021045
75350132565
oct1523353425
9515888802
10223205141
11104aa2365
1262901785
1337320563
1421902da5
15148deccb
hexd4dd715

223205141 has 8 divisors (see below), whose sum is σ = 243055200. Its totient is φ = 204165360.

The previous prime is 223205113. The next prime is 223205149. The reversal of 223205141 is 141502322.

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

It is a cyclic number.

It is not a de Polignac number, because 223205141 - 210 = 223204117 is a prime.

It is a super-3 number, since 3×2232051413 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223205149) 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, 201995 + ... + 203096.

It is an arithmetic number, because the mean of its divisors is an integer number (30381900).

Almost surely, 2223205141 is an apocalyptic number.

It is an amenable number.

223205141 is a deficient number, since it is larger than the sum of its proper divisors (19850059).

223205141 is a wasteful number, since it uses less digits than its factorization.

223205141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405139.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 223205141 is about 14940.0515728695. The cubic root of 223205141 is about 606.5985917993.

Adding to 223205141 its reverse (141502322), we get a palindrome (364707463).

The spelling of 223205141 in words is "two hundred twenty-three million, two hundred five thousand, one hundred forty-one".

Divisors: 1 19 29 551 405091 7696729 11747639 223205141