Base | Representation |
---|---|
bin | 1111100101110… |
… | …10111000111100 |
3 | 100010002202200020 |
4 | 13302322320330 |
5 | 231440221144 |
6 | 20551132140 |
7 | 3145454550 |
oct | 762727074 |
9 | 303082606 |
10 | 130788924 |
11 | 67910722 |
12 | 37974050 |
13 | 211338c6 |
14 | 13527860 |
15 | b737419 |
hex | 7cbae3c |
130788924 has 48 divisors (see below), whose sum is σ = 353203200. Its totient is φ = 36893376.
The previous prime is 130788923. The next prime is 130788937. The reversal of 130788924 is 429887031.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130788923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219 + ... + 16490.
It is an arithmetic number, because the mean of its divisors is an integer number (7358400).
Almost surely, 2130788924 is an apocalyptic number.
130788924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
130788924 is an abundant number, since it is smaller than the sum of its proper divisors (222414276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130788924 is a wasteful number, since it uses less digits than its factorization.
130788924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19802 (or 19800 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 130788924 is about 11436.2985270585. The cubic root of 130788924 is about 507.6023869070.
The spelling of 130788924 in words is "one hundred thirty million, seven hundred eighty-eight thousand, nine hundred twenty-four".
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