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130103244 = 223217212587
BaseRepresentation
bin1111100000100…
…11011111001100
3100001210221002200
413300103133030
5231301300434
620524321500
73136600515
oct760233714
9301727080
10130103244
1167492547
12376a3290
1320c5378b
14133c9a0c
15b64e199
hex7c137cc

130103244 has 36 divisors (see below), whose sum is σ = 348219144. Its totient is φ = 40816512.

The previous prime is 130103243. The next prime is 130103269. The reversal of 130103244 is 442301031.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130103243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105682 + ... + 106905.

It is an arithmetic number, because the mean of its divisors is an integer number (9672754).

Almost surely, 2130103244 is an apocalyptic number.

It is an amenable number.

130103244 is an abundant number, since it is smaller than the sum of its proper divisors (218115900).

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

130103244 is a wasteful number, since it uses less digits than its factorization.

130103244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212614 (or 212609 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130103244 is about 11406.2809013280. The cubic root of 130103244 is about 506.7137723594.

Adding to 130103244 its reverse (442301031), we get a palindrome (572404275).

The spelling of 130103244 in words is "one hundred thirty million, one hundred three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 212587 425174 637761 850348 1275522 1913283 2551044 3613979 3826566 7227958 7653132 10841937 14455916 21683874 32525811 43367748 65051622 130103244