Search a number
-
+
130515828 = 22331973617
BaseRepresentation
bin1111100011110…
…00001101110100
3100002120220001120
413301320031310
5231403001303
620541223540
73143236422
oct761701564
9302526046
10130515828
1167744523
1237861bb0
1321069501
1413496112
15b6d1553
hex7c78374

130515828 has 48 divisors (see below), whose sum is σ = 317689344. Its totient is φ = 41656320.

The previous prime is 130515809. The next prime is 130515829. The reversal of 130515828 is 828515031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130515829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34276 + ... + 37892.

It is an arithmetic number, because the mean of its divisors is an integer number (6618528).

Almost surely, 2130515828 is an apocalyptic number.

It is an amenable number.

130515828 is an abundant number, since it is smaller than the sum of its proper divisors (187173516).

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

130515828 is a wasteful number, since it uses less digits than its factorization.

130515828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752 (or 3750 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 130515828 is about 11424.3524105308. The cubic root of 130515828 is about 507.2488381639.

The spelling of 130515828 in words is "one hundred thirty million, five hundred fifteen thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 97 124 186 194 291 372 388 582 1164 3007 3617 6014 7234 9021 10851 12028 14468 18042 21702 36084 43404 112127 224254 336381 350849 448508 672762 701698 1052547 1345524 1403396 2105094 4210188 10876319 21752638 32628957 43505276 65257914 130515828