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130502450 = 252131910567
BaseRepresentation
bin1111100011101…
…00111100110010
3100002120012201002
413301310330302
5231402034300
620541042002
73143152421
oct761647462
9302505632
10130502450
1167735471
1237856302
13210633b0
14134912b8
15b6cc5d5
hex7c74f32

130502450 has 48 divisors (see below), whose sum is σ = 275190720. Its totient is φ = 45645120.

The previous prime is 130502419. The next prime is 130502459. The reversal of 130502450 is 54205031.

It is not an unprimeable number, because it can be changed into a prime (130502459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7067 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (5733140).

Almost surely, 2130502450 is an apocalyptic number.

130502450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130502450 is an abundant number, since it is smaller than the sum of its proper divisors (144688270).

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

130502450 is a wasteful number, since it uses less digits than its factorization.

130502450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611 (or 10606 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 130502450 is about 11423.7668918794. The cubic root of 130502450 is about 507.2315064044.

Adding to 130502450 its reverse (54205031), we get a palindrome (184707481).

The spelling of 130502450 in words is "one hundred thirty million, five hundred two thousand, four hundred fifty".

Divisors: 1 2 5 10 13 19 25 26 38 50 65 95 130 190 247 325 475 494 650 950 1235 2470 6175 10567 12350 21134 52835 105670 137371 200773 264175 274742 401546 528350 686855 1003865 1373710 2007730 2610049 3434275 5019325 5220098 6868550 10038650 13050245 26100490 65251225 130502450