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130244024 = 2389182927
BaseRepresentation
bin1111100001101…
…01110110111000
3100002002002012202
413300311312320
5231320302044
620531325332
73141025121
oct760656670
9302062182
10130244024
1167579299
1237750848
1320ca2891
1413425048
15b67ac4e
hex7c35db8

130244024 has 16 divisors (see below), whose sum is σ = 246952800. Its totient is φ = 64389952.

The previous prime is 130244011. The next prime is 130244027. The reversal of 130244024 is 420442031.

It is a junction number, because it is equal to n+sod(n) for n = 130243987 and 130244005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130244027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90752 + ... + 92175.

It is an arithmetic number, because the mean of its divisors is an integer number (15434550).

Almost surely, 2130244024 is an apocalyptic number.

It is an amenable number.

130244024 is a deficient number, since it is larger than the sum of its proper divisors (116708776).

130244024 is a wasteful number, since it uses less digits than its factorization.

130244024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183022 (or 183018 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 130244024 is about 11412.4503941967. The cubic root of 130244024 is about 506.8964720072.

Adding to 130244024 its reverse (420442031), we get a palindrome (550686055).

The spelling of 130244024 in words is "one hundred thirty million, two hundred forty-four thousand, twenty-four".

Divisors: 1 2 4 8 89 178 356 712 182927 365854 731708 1463416 16280503 32561006 65122012 130244024