Base | Representation |
---|---|
bin | 110111110111… |
… | …0111111110001 |
3 | 2001010002222122 |
4 | 1233232333301 |
5 | 24444243411 |
6 | 2523444025 |
7 | 503651663 |
oct | 157567761 |
9 | 61102878 |
10 | 29290481 |
11 | 15596410 |
12 | 9986615 |
13 | 60b705c |
14 | 3c66533 |
15 | 28889db |
hex | 1beeff1 |
29290481 has 4 divisors (see below), whose sum is σ = 31953264. Its totient is φ = 26627700.
The previous prime is 29290453. The next prime is 29290487. The reversal of 29290481 is 18409292.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a de Polignac number, because none of the positive numbers 2k-29290481 is a prime.
It is a super-2 number, since 2×292904812 = 1715864554422722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29290487) 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 in 3 ways as a sum of consecutive naturals, for example, 1331375 + ... + 1331396.
It is an arithmetic number, because the mean of its divisors is an integer number (7988316).
Almost surely, 229290481 is an apocalyptic number.
It is an amenable number.
29290481 is a deficient number, since it is larger than the sum of its proper divisors (2662783).
29290481 is a wasteful number, since it uses less digits than its factorization.
29290481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2662782.
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 29290481 is about 5412.0680890026. The cubic root of 29290481 is about 308.2540806942.
The spelling of 29290481 in words is "twenty-nine million, two hundred ninety thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •