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130333242 = 231359127223
BaseRepresentation
bin1111100010010…
…11101000111010
3100002020121121010
413301023220322
5231331130432
620533254350
73141546204
oct761135072
9302217533
10130333242
116762a326
12377943b6
1321004380
1413449774
15b6973cc
hex7c4ba3a

130333242 has 64 divisors (see below), whose sum is σ = 289013760. Its totient is φ = 38937024.

The previous prime is 130333241. The next prime is 130333253. The reversal of 130333242 is 242333031.

It is not an unprimeable number, because it can be changed into a prime (130333241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584343 + ... + 584565.

It is an arithmetic number, because the mean of its divisors is an integer number (4515840).

Almost surely, 2130333242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130333242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144506880).

130333242 is an abundant number, since it is smaller than the sum of its proper divisors (158680518).

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

130333242 is a wasteful number, since it uses less digits than its factorization.

130333242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 130333242 is about 11416.3585262552. The cubic root of 130333242 is about 507.0121880446.

Adding to 130333242 its reverse (242333031), we get a palindrome (372666273).

The spelling of 130333242 in words is "one hundred thirty million, three hundred thirty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 59 78 118 127 177 223 254 354 381 446 669 762 767 1338 1534 1651 2301 2899 3302 4602 4953 5798 7493 8697 9906 13157 14986 17394 22479 26314 28321 39471 44958 56642 78942 84963 97409 169926 171041 194818 292227 342082 368173 513123 584454 736346 1026246 1104519 1670939 2209038 3341878 5012817 10025634 21722207 43444414 65166621 130333242