Base | Representation |
---|---|
bin | 111000000011… |
… | …0100111100110 |
3 | 2001022000201020 |
4 | 1300012213212 |
5 | 30010342423 |
6 | 2525512010 |
7 | 504534036 |
oct | 160064746 |
9 | 61260636 |
10 | 29387238 |
11 | 15652081 |
12 | 9a12606 |
13 | 611c0ca |
14 | 3c8d8c6 |
15 | 28a74e3 |
hex | 1c069e6 |
29387238 has 32 divisors (see below), whose sum is σ = 62353152. Its totient is φ = 9213600.
The previous prime is 29387227. The next prime is 29387273. The reversal of 29387238 is 83278392.
It is a self number, because there is not a number n which added to its sum of digits gives 29387238.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6673 + ... + 10163.
It is an arithmetic number, because the mean of its divisors is an integer number (1948536).
Almost surely, 229387238 is an apocalyptic number.
29387238 is an abundant number, since it is smaller than the sum of its proper divisors (32965914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29387238 is a wasteful number, since it uses less digits than its factorization.
29387238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3580.
The product of its digits is 145152, while the sum is 42.
The square root of 29387238 is about 5420.9997232983. Note that the first 3 decimals coincide. The cubic root of 29387238 is about 308.5931323530.
The spelling of 29387238 in words is "twenty-nine million, three hundred eighty-seven thousand, two hundred thirty-eight".
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