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130240234 = 265120117
BaseRepresentation
bin1111100001101…
…00111011101010
3100002001220000101
413300310323222
5231320141414
620531300014
73141011065
oct760647352
9302056011
10130240234
1167576463
123774a60a
1320ca0c37
14134238dc
15b679a74
hex7c34eea

130240234 has 4 divisors (see below), whose sum is σ = 195360354. Its totient is φ = 65120116.

The previous prime is 130240219. The next prime is 130240261. The reversal of 130240234 is 432042031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 119968209 + 10272025 = 10953^2 + 3205^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32560057 + ... + 32560060.

Almost surely, 2130240234 is an apocalyptic number.

130240234 is a deficient number, since it is larger than the sum of its proper divisors (65120120).

130240234 is an equidigital number, since it uses as much as digits as its factorization.

130240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65120119.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 130240234 is about 11412.2843462648. The cubic root of 130240234 is about 506.8915551949.

Adding to 130240234 its reverse (432042031), we get a palindrome (562282265).

The spelling of 130240234 in words is "one hundred thirty million, two hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 65120117 130240234