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1232303130 = 232537370061
BaseRepresentation
bin100100101110011…
…0111010000011010
310011212210111002200
41021130313100122
510010432200010
6322140311030
742352255332
oct11134672032
93155714080
101232303130
1158266a643
122a4842476
131683c4866
14b993c0c2
15732bbcc0
hex4973741a

1232303130 has 48 divisors (see below), whose sum is σ = 3290591304. Its totient is φ = 319731840.

The previous prime is 1232303117. The next prime is 1232303141. The reversal of 1232303130 is 313032321.

1232303130 is a `hidden beast` number, since 1 + 232 + 303 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 983010609 + 249292521 = 31353^2 + 15789^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181701 + ... + 188360.

Almost surely, 21232303130 is an apocalyptic number.

1232303130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232303130 is an abundant number, since it is smaller than the sum of its proper divisors (2058288174).

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

1232303130 is a wasteful number, since it uses less digits than its factorization.

1232303130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370111 (or 370108 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1232303130 is about 35104.1753926794. The cubic root of 1232303130 is about 1072.1095975838.

Adding to 1232303130 its reverse (313032321), we get a palindrome (1545335451).

The spelling of 1232303130 in words is "one billion, two hundred thirty-two million, three hundred three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1110 1665 3330 370061 740122 1110183 1850305 2220366 3330549 3700610 5550915 6661098 11101830 13692257 16652745 27384514 33305490 41076771 68461285 82153542 123230313 136922570 205383855 246460626 410767710 616151565 1232303130