Base | Representation |
---|---|
bin | 110111101101… |
… | …0110101000000 |
3 | 2000221220200001 |
4 | 1233122311000 |
5 | 24434122442 |
6 | 2522005344 |
7 | 503156101 |
oct | 157326500 |
9 | 60856601 |
10 | 29207872 |
11 | 1553a341 |
12 | 9946854 |
13 | 6088585 |
14 | 3c443a8 |
15 | 286e2b7 |
hex | 1bdad40 |
29207872 has 28 divisors (see below), whose sum is σ = 59961780. Its totient is φ = 14099456.
The previous prime is 29207833. The next prime is 29207873. The reversal of 29207872 is 27870292.
It can be written as a sum of positive squares in 2 ways, for example, as 21678336 + 7529536 = 4656^2 + 2744^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29207873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6013 + ... + 9724.
Almost surely, 229207872 is an apocalyptic number.
It is an amenable number.
29207872 is an abundant number, since it is smaller than the sum of its proper divisors (30753908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29207872 is a wasteful number, since it uses less digits than its factorization.
29207872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15778 (or 15768 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 29207872 is about 5404.4307748365. The cubic root of 29207872 is about 307.9640144611.
The spelling of 29207872 in words is "twenty-nine million, two hundred seven thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •