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130224586 = 265112293
BaseRepresentation
bin1111100001100…
…01000111001010
3100002001002112211
413300301013022
5231314141321
620531055334
73140614342
oct760610712
9302032484
10130224586
1167565728
123774154a
1320c96a8b
141341bd22
15b6750e1
hex7c311ca

130224586 has 4 divisors (see below), whose sum is σ = 195336882. Its totient is φ = 65112292.

The previous prime is 130224581. The next prime is 130224649. The reversal of 130224586 is 685422031.

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., 108555561 + 21669025 = 10419^2 + 4655^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (130224581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32556145 + ... + 32556148.

Almost surely, 2130224586 is an apocalyptic number.

130224586 is a deficient number, since it is larger than the sum of its proper divisors (65112296).

130224586 is an equidigital number, since it uses as much as digits as its factorization.

130224586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65112295.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 130224586 is about 11411.5987486417. The cubic root of 130224586 is about 506.8712538474.

The spelling of 130224586 in words is "one hundred thirty million, two hundred twenty-four thousand, five hundred eighty-six".

Divisors: 1 2 65112293 130224586