Base | Representation |
---|---|
bin | 1111100110111… |
… | …00011101100110 |
3 | 100010100202022100 |
4 | 13303130131212 |
5 | 232004121223 |
6 | 20554112530 |
7 | 3146566506 |
oct | 763343546 |
9 | 303322270 |
10 | 130926438 |
11 | 679a4a75 |
12 | 37a1b746 |
13 | 21181386 |
14 | 13561a06 |
15 | b763043 |
hex | 7cdc766 |
130926438 has 12 divisors (see below), whose sum is σ = 283673988. Its totient is φ = 43642140.
The previous prime is 130926431. The next prime is 130926479. The reversal of 130926438 is 834629031.
130926438 is a `hidden beast` number, since 1 + 3 + 0 + 9 + 2 + 643 + 8 = 666.
It is a super-4 number, since 4×1309264384 (a number of 34 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130926431) 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 5 ways as a sum of consecutive naturals, for example, 3636828 + ... + 3636863.
It is an arithmetic number, because the mean of its divisors is an integer number (23639499).
Almost surely, 2130926438 is an apocalyptic number.
130926438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
130926438 is an abundant number, since it is smaller than the sum of its proper divisors (152747550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130926438 is a wasteful number, since it uses less digits than its factorization.
130926438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7273699 (or 7273696 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 130926438 is about 11442.3091201033. The cubic root of 130926438 is about 507.7802255774.
The spelling of 130926438 in words is "one hundred thirty million, nine hundred twenty-six thousand, four hundred thirty-eight".
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