Search a number
-
+
220442202 = 23312893167
BaseRepresentation
bin11010010001110…
…10111001011010
3120100210121212000
431020322321122
5422413122302
633512501430
75314504431
oct1510727132
9510717760
10220442202
11103485542
12619aa876
1336893a96
14213c4118
151454631c
hexd23ae5a

220442202 has 32 divisors (see below), whose sum is σ = 490406400. Its totient is φ = 73400544.

The previous prime is 220442191. The next prime is 220442203. The reversal of 220442202 is 202244022.

220442202 is a `hidden beast` number, since 2 + 20 + 442 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220442203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68023 + ... + 71189.

It is an arithmetic number, because the mean of its divisors is an integer number (15325200).

Almost surely, 2220442202 is an apocalyptic number.

220442202 is an abundant number, since it is smaller than the sum of its proper divisors (269964198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220442202 is a wasteful number, since it uses less digits than its factorization.

220442202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467 (or 4461 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 220442202 is about 14847.2961174754. The cubic root of 220442202 is about 604.0852711358.

Adding to 220442202 its reverse (202244022), we get a palindrome (422686224).

The spelling of 220442202 in words is "two hundred twenty million, four hundred forty-two thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 1289 2578 3167 3867 6334 7734 9501 11601 19002 23202 28503 34803 57006 69606 85509 171018 4082263 8164526 12246789 24493578 36740367 73480734 110221101 220442202