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130203425 = 52111727851
BaseRepresentation
bin1111100001010…
…11111100100001
3100002000000112002
413300223330201
5231313002200
620530413345
73140465552
oct760537441
9302000462
10130203425
1167550840
1237731255
1320c8a261
1413414329
15b66dbd5
hex7c2bf21

130203425 has 24 divisors (see below), whose sum is σ = 186496992. Its totient is φ = 89120000.

The previous prime is 130203373. The next prime is 130203431. The reversal of 130203425 is 524302031.

It is a happy number.

It is not a de Polignac number, because 130203425 - 26 = 130203361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130203397 and 130203406.

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, 9251 + ... + 18600.

It is an arithmetic number, because the mean of its divisors is an integer number (7770708).

Almost surely, 2130203425 is an apocalyptic number.

It is an amenable number.

130203425 is a deficient number, since it is larger than the sum of its proper divisors (56293567).

130203425 is a wasteful number, since it uses less digits than its factorization.

130203425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27889 (or 27884 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130203425 is about 11410.6715402732. The cubic root of 130203425 is about 506.8437974765.

Adding to 130203425 its reverse (524302031), we get a palindrome (654505456).

The spelling of 130203425 in words is "one hundred thirty million, two hundred three thousand, four hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 187 275 425 935 4675 27851 139255 306361 473467 696275 1531805 2367335 5208137 7659025 11836675 26040685 130203425