Base | Representation |
---|---|
bin | 111000001111… |
… | …1101101100011 |
3 | 2001111020200221 |
4 | 1300133231203 |
5 | 30022140034 |
6 | 2532023511 |
7 | 505442506 |
oct | 160375543 |
9 | 61436627 |
10 | 29490019 |
11 | 15712319 |
12 | 9a61b97 |
13 | 6156b20 |
14 | 3cb913d |
15 | 28c7bb4 |
hex | 1c1fb63 |
29490019 has 8 divisors (see below), whose sum is σ = 33626880. Its totient is φ = 25620096.
The previous prime is 29490007. The next prime is 29490031. The reversal of 29490019 is 91009492.
It is an interprime number because it is at equal distance from previous prime (29490007) and next prime (29490031).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29490019 - 25 = 29489987 is a prime.
It is a super-2 number, since 2×294900192 = 1739322441240722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29490049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66499 + ... + 66940.
It is an arithmetic number, because the mean of its divisors is an integer number (4203360).
Almost surely, 229490019 is an apocalyptic number.
29490019 is a deficient number, since it is larger than the sum of its proper divisors (4136861).
29490019 is a wasteful number, since it uses less digits than its factorization.
29490019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133469.
The product of its (nonzero) digits is 5832, while the sum is 34.
The square root of 29490019 is about 5430.4713423422. The cubic root of 29490019 is about 308.9524788761.
The spelling of 29490019 in words is "twenty-nine million, four hundred ninety thousand, nineteen".
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