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130243226 = 2449145037
BaseRepresentation
bin1111100001101…
…01101010011010
3100002002001010012
413300311222122
5231320240401
620531321522
73141022601
oct760655232
9302061105
10130243226
1167578733
12377502a2
1320ca23c9
1413424a38
15b67a8bb
hex7c35a9a

130243226 has 8 divisors (see below), whose sum is σ = 195801300. Its totient is φ = 64976128.

The previous prime is 130243193. The next prime is 130243241. The reversal of 130243226 is 622342031.

It can be written as a sum of positive squares in 2 ways, for example, as 123988225 + 6255001 = 11135^2 + 2501^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71621 + ... + 73416.

Almost surely, 2130243226 is an apocalyptic number.

130243226 is a deficient number, since it is larger than the sum of its proper divisors (65558074).

130243226 is a wasteful number, since it uses less digits than its factorization.

130243226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145488.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 130243226 is about 11412.4154323263. The cubic root of 130243226 is about 506.8954367602.

Adding to 130243226 its reverse (622342031), we get a palindrome (752585257).

The spelling of 130243226 in words is "one hundred thirty million, two hundred forty-three thousand, two hundred twenty-six".

Divisors: 1 2 449 898 145037 290074 65121613 130243226