Base | Representation |
---|---|
bin | 1111100011000… |
… | …10101110111100 |
3 | 100002102102100121 |
4 | 13301202232330 |
5 | 231342142321 |
6 | 20535304324 |
7 | 3142422040 |
oct | 761425674 |
9 | 302372317 |
10 | 130427836 |
11 | 67694400 |
12 | 3781b0a4 |
13 | 21038446 |
14 | 13472020 |
15 | b6b5441 |
hex | 7c62bbc |
130427836 has 72 divisors (see below), whose sum is σ = 289846368. Its totient is φ = 50265600.
The previous prime is 130427833. The next prime is 130427851. The reversal of 130427836 is 638724031.
It is a happy number.
It is a super-2 number, since 2×1304278362 = 34022840807285792, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130427831) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464016 + ... + 464296.
It is an arithmetic number, because the mean of its divisors is an integer number (4025644).
Almost surely, 2130427836 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 130427836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144923184).
130427836 is an abundant number, since it is smaller than the sum of its proper divisors (159418532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130427836 is a wasteful number, since it uses less digits than its factorization.
130427836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451 (or 438 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 34.
The square root of 130427836 is about 11420.5006895495. The cubic root of 130427836 is about 507.1348191091.
The spelling of 130427836 in words is "one hundred thirty million, four hundred twenty-seven thousand, eight hundred thirty-six".
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