Base | Representation |
---|---|
bin | 111000000011… |
… | …0100111000111 |
3 | 2001022000200002 |
4 | 1300012213013 |
5 | 30010342312 |
6 | 2525511515 |
7 | 504533663 |
oct | 160064707 |
9 | 61260602 |
10 | 29387207 |
11 | 15652053 |
12 | 9a1259b |
13 | 611c0a5 |
14 | 3c8d8a3 |
15 | 28a74c2 |
hex | 1c069c7 |
29387207 has 6 divisors (see below), whose sum is σ = 29570688. Its totient is φ = 29204664.
The previous prime is 29387191. The next prime is 29387219. The reversal of 29387207 is 70278392.
It is not a de Polignac number, because 29387207 - 24 = 29387191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29387227) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76538 + ... + 76920.
It is an arithmetic number, because the mean of its divisors is an integer number (4928448).
Almost surely, 229387207 is an apocalyptic number.
29387207 is a deficient number, since it is larger than the sum of its proper divisors (183481).
29387207 is an frugal number, since it uses more digits than its factorization.
29387207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 937 (or 660 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 29387207 is about 5420.9968640463. The cubic root of 29387207 is about 308.5930238434.
The spelling of 29387207 in words is "twenty-nine million, three hundred eighty-seven thousand, two hundred seven".
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