Search a number
-
+
220302132 = 22353973571
BaseRepresentation
bin11010010000110…
…00101100110100
3120100112111201020
431020120230310
5422344132012
633505501140
75313352161
oct1510305464
9510474636
10220302132
1110339a286
12619417b0
13368450bb
1421389068
1514519a8c
hexd218b34

220302132 has 48 divisors (see below), whose sum is σ = 529284672. Its totient is φ = 71285760.

The previous prime is 220302127. The next prime is 220302139. The reversal of 220302132 is 231203022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220302139) 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, 59907 + ... + 63477.

It is an arithmetic number, because the mean of its divisors is an integer number (11026764).

Almost surely, 2220302132 is an apocalyptic number.

It is an amenable number.

220302132 is an abundant number, since it is smaller than the sum of its proper divisors (308982540).

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

220302132 is a wasteful number, since it uses less digits than its factorization.

220302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220302132 is about 14842.5783474435. The cubic root of 220302132 is about 603.9572978305.

Adding to 220302132 its reverse (231203022), we get a palindrome (451505154).

The spelling of 220302132 in words is "two hundred twenty million, three hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 53 97 106 159 194 212 291 318 388 582 636 1164 3571 5141 7142 10282 10713 14284 15423 20564 21426 30846 42852 61692 189263 346387 378526 567789 692774 757052 1039161 1135578 1385548 2078322 2271156 4156644 18358511 36717022 55075533 73434044 110151066 220302132