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220302130 = 2522030213
BaseRepresentation
bin11010010000110…
…00101100110010
3120100112111201011
431020120230302
5422344132010
633505501134
75313352156
oct1510305462
9510474634
10220302130
1110339a284
12619417aa
13368450b9
1421389066
1514519a8a
hexd218b32

220302130 has 8 divisors (see below), whose sum is σ = 396543852. Its totient is φ = 88120848.

The previous prime is 220302127. The next prime is 220302139. The reversal of 220302130 is 31203022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219543489 + 758641 = 14817^2 + 871^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 220302130.

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 3 ways as a sum of consecutive naturals, for example, 11015097 + ... + 11015116.

Almost surely, 2220302130 is an apocalyptic number.

220302130 is a deficient number, since it is larger than the sum of its proper divisors (176241722).

220302130 is a wasteful number, since it uses less digits than its factorization.

220302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22030220.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220302130 is about 14842.5782800698. The cubic root of 220302130 is about 603.9572960028.

Adding to 220302130 its reverse (31203022), we get a palindrome (251505152).

The spelling of 220302130 in words is "two hundred twenty million, three hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 22030213 44060426 110151065 220302130