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220234201 = 11171177723
BaseRepresentation
bin11010010000010…
…00000111011001
3120100102001112021
431020020013121
5422334443301
633504214441
75312650135
oct1510100731
9510361467
10220234201
11103353240
126190a421
13368201c5
142136c3c5
15145048a1
hexd2081d9

220234201 has 8 divisors (see below), whose sum is σ = 254388384. Its totient is φ = 188435520.

The previous prime is 220234169. The next prime is 220234219. The reversal of 220234201 is 102432022.

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 220234201 - 25 = 220234169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220234501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588675 + ... + 589048.

It is an arithmetic number, because the mean of its divisors is an integer number (31798548).

Almost surely, 2220234201 is an apocalyptic number.

It is an amenable number.

220234201 is a deficient number, since it is larger than the sum of its proper divisors (34154183).

220234201 is a wasteful number, since it uses less digits than its factorization.

220234201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177751.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220234201 is about 14840.2897882757. The cubic root of 220234201 is about 603.8952139391.

Adding to 220234201 its reverse (102432022), we get a palindrome (322666223).

The spelling of 220234201 in words is "two hundred twenty million, two hundred thirty-four thousand, two hundred one".

Divisors: 1 11 17 187 1177723 12954953 20021291 220234201