Base | Representation |
---|---|
bin | 1111100011010… |
… | …00000110100101 |
3 | 100002110112112011 |
4 | 13301220012211 |
5 | 231343343304 |
6 | 20535554221 |
7 | 3142543126 |
oct | 761500645 |
9 | 302415464 |
10 | 130449829 |
11 | 676a9984 |
12 | 3782b971 |
13 | 21045463 |
14 | 1347a04d |
15 | b6bbc04 |
hex | 7c681a5 |
130449829 has 4 divisors (see below), whose sum is σ = 134657920. Its totient is φ = 126241740.
The previous prime is 130449821. The next prime is 130449853. The reversal of 130449829 is 928944031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 928944031 = 24979 ⋅37189.
It is a cyclic number.
It is not a de Polignac number, because 130449829 - 23 = 130449821 is a prime.
It is a super-2 number, since 2×1304498292 = 34034315772258482, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130449791 and 130449800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130449821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103999 + ... + 2104060.
It is an arithmetic number, because the mean of its divisors is an integer number (33664480).
Almost surely, 2130449829 is an apocalyptic number.
It is an amenable number.
130449829 is a deficient number, since it is larger than the sum of its proper divisors (4208091).
130449829 is an equidigital number, since it uses as much as digits as its factorization.
130449829 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4208090.
The product of its (nonzero) digits is 62208, while the sum is 40.
The square root of 130449829 is about 11421.4635226839. The cubic root of 130449829 is about 507.1633221996.
The spelling of 130449829 in words is "one hundred thirty million, four hundred forty-nine thousand, eight hundred twenty-nine".
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