Search a number
-
+
130124508 = 223291991879
BaseRepresentation
bin1111100000110…
…00101011011100
3100001212000021020
413300120223130
5231302441013
620525004140
73140016513
oct760305334
9301760236
10130124508
11674a7518
12376b3650
1320c60367
14133d367a
15b655623
hex7c18adc

130124508 has 48 divisors (see below), whose sum is σ = 315840000. Its totient is φ = 41646528.

The previous prime is 130124473. The next prime is 130124513. The reversal of 130124508 is 805421031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68313 + ... + 70191.

It is an arithmetic number, because the mean of its divisors is an integer number (6580000).

Almost surely, 2130124508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130124508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157920000).

130124508 is an abundant number, since it is smaller than the sum of its proper divisors (185715492).

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

130124508 is a wasteful number, since it uses less digits than its factorization.

130124508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 130124508 is about 11407.2129812676. The cubic root of 130124508 is about 506.7413765255.

Adding to 130124508 its reverse (805421031), we get a palindrome (935545539).

The spelling of 130124508 in words is "one hundred thirty million, one hundred twenty-four thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 199 348 398 597 796 1194 1879 2388 3758 5637 5771 7516 11274 11542 17313 22548 23084 34626 54491 69252 108982 163473 217964 326946 373921 653892 747842 1121763 1495684 2243526 4487052 10843709 21687418 32531127 43374836 65062254 130124508