Base | Representation |
---|---|
bin | 1101111001000101… |
… | …0101111110100101 |
3 | 100121212221022121222 |
4 | 3132101111332211 |
5 | 30114121312141 |
6 | 1414011150125 |
7 | 161260504622 |
oct | 33621257645 |
9 | 10555838558 |
10 | 3729088421 |
11 | 1643a78363 |
12 | 880a45345 |
13 | 4757699c6 |
14 | 275393349 |
15 | 16c5b014b |
hex | de455fa5 |
3729088421 has 2 divisors, whose sum is σ = 3729088422. Its totient is φ = 3729088420.
The previous prime is 3729088399. The next prime is 3729088459. The reversal of 3729088421 is 1248809273.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2574040225 + 1155048196 = 50735^2 + 33986^2 .
It is a cyclic number.
It is not a de Polignac number, because 3729088421 - 214 = 3729072037 is a prime.
It is a super-2 number, since 2×37290884212 = 27812200903272546482, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3729088471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864544210 + 1864544211.
It is an arithmetic number, because the mean of its divisors is an integer number (1864544211).
Almost surely, 23729088421 is an apocalyptic number.
It is an amenable number.
3729088421 is a deficient number, since it is larger than the sum of its proper divisors (1).
3729088421 is an equidigital number, since it uses as much as digits as its factorization.
3729088421 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 3729088421 is about 61066.2625432407. The cubic root of 3729088421 is about 1550.7229954856.
The spelling of 3729088421 in words is "three billion, seven hundred twenty-nine million, eighty-eight thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •