Base | Representation |
---|---|
bin | 1010100010110100… |
… | …1101010000101000 |
3 | 21022020221101112110 |
4 | 2220231031100220 |
5 | 21244042014310 |
6 | 1144505442320 |
7 | 130066125222 |
oct | 25055152050 |
9 | 7266841473 |
10 | 2830423080 |
11 | 1222777831 |
12 | 66baa03a0 |
13 | 36151c974 |
14 | 1cbca3412 |
15 | 118748d20 |
hex | a8b4d428 |
2830423080 has 64 divisors (see below), whose sum is σ = 8521588800. Its totient is φ = 752084480.
The previous prime is 2830423051. The next prime is 2830423081. The reversal of 2830423080 is 803240382.
It is a super-2 number, since 2×28304230802 = 16022589623593372800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (2830423081) 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 15 ways as a sum of consecutive naturals, for example, 8250 + ... + 75689.
It is an arithmetic number, because the mean of its divisors is an integer number (133149825).
Almost surely, 22830423080 is an apocalyptic number.
2830423080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2830423080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4260794400).
2830423080 is an abundant number, since it is smaller than the sum of its proper divisors (5691165720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2830423080 is a wasteful number, since it uses less digits than its factorization.
2830423080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84234 (or 84230 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 2830423080 is about 53201.7206488662. The cubic root of 2830423080 is about 1414.5461433628.
The spelling of 2830423080 in words is "two billion, eight hundred thirty million, four hundred twenty-three thousand, eighty".
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