Search a number
-
+
1330221030 = 235533472411
BaseRepresentation
bin100111101001001…
…1000111111100110
310102201001020012120
41033102120333212
510211014033110
6335555130410
744651456265
oct11722307746
93381036176
101330221030
11622969826
123115a3a06
13182789748
14c894a5dc
157bbae870
hex4f498fe6

1330221030 has 64 divisors (see below), whose sum is σ = 3263493888. Its totient is φ = 346885760.

The previous prime is 1330221023. The next prime is 1330221073. The reversal of 1330221030 is 301220331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550525 + ... + 552935.

It is an arithmetic number, because the mean of its divisors is an integer number (50992092).

Almost surely, 21330221030 is an apocalyptic number.

1330221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330221030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631746944).

1330221030 is an abundant number, since it is smaller than the sum of its proper divisors (1933272858).

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

1330221030 is a wasteful number, since it uses less digits than its factorization.

1330221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1330221030 is about 36472.1952999816. The cubic root of 1330221030 is about 1099.7853658364.

Adding to 1330221030 its reverse (301220331), we get a palindrome (1631441361).

The spelling of 1330221030 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 347 530 694 795 1041 1590 1735 2082 2411 3470 4822 5205 7233 10410 12055 14466 18391 24110 36165 36782 55173 72330 91955 110346 127783 183910 255566 275865 383349 551730 638915 766698 836617 1277830 1673234 1916745 2509851 3833490 4183085 5019702 8366170 12549255 25098510 44340701 88681402 133022103 221703505 266044206 443407010 665110515 1330221030