Base | Representation |
---|---|
bin | 111010001011… |
… | …0001111110101 |
3 | 2010101112220022 |
4 | 1310112033311 |
5 | 30301443304 |
6 | 3005414525 |
7 | 520146533 |
oct | 164261765 |
9 | 63345808 |
10 | 30499829 |
11 | 16241a78 |
12 | a26a445 |
13 | 641b649 |
14 | 409d153 |
15 | 2a26ebe |
hex | 1d163f5 |
30499829 has 2 divisors, whose sum is σ = 30499830. Its totient is φ = 30499828.
The previous prime is 30499811. The next prime is 30499841. The reversal of 30499829 is 92899403.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19377604 + 11122225 = 4402^2 + 3335^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30499829 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30499829.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30499849) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15249914 + 15249915.
It is an arithmetic number, because the mean of its divisors is an integer number (15249915).
Almost surely, 230499829 is an apocalyptic number.
It is an amenable number.
30499829 is a deficient number, since it is larger than the sum of its proper divisors (1).
30499829 is an equidigital number, since it uses as much as digits as its factorization.
30499829 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 139968, while the sum is 44.
The square root of 30499829 is about 5522.6650269594. The cubic root of 30499829 is about 312.4394045710.
The spelling of 30499829 in words is "thirty million, four hundred ninety-nine thousand, eight hundred twenty-nine".
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