Base | Representation |
---|---|
bin | 1011101111001… |
… | …1001001010101 |
3 | 10102122011102221 |
4 | 2323303021111 |
5 | 100100333141 |
6 | 4515102341 |
7 | 1135310632 |
oct | 273631125 |
9 | 112564387 |
10 | 49230421 |
11 | 258755a9 |
12 | 145a19b1 |
13 | a279036 |
14 | 6777189 |
15 | 44c6bd1 |
hex | 2ef3255 |
49230421 has 2 divisors, whose sum is σ = 49230422. Its totient is φ = 49230420.
The previous prime is 49230403. The next prime is 49230443. The reversal of 49230421 is 12403294.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 49196196 + 34225 = 7014^2 + 185^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49230421 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49230451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24615210 + 24615211.
It is an arithmetic number, because the mean of its divisors is an integer number (24615211).
Almost surely, 249230421 is an apocalyptic number.
It is an amenable number.
49230421 is a deficient number, since it is larger than the sum of its proper divisors (1).
49230421 is an equidigital number, since it uses as much as digits as its factorization.
49230421 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 49230421 is about 7016.4393391520. The cubic root of 49230421 is about 366.5032666796.
The spelling of 49230421 in words is "forty-nine million, two hundred thirty thousand, four hundred twenty-one".
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