Base | Representation |
---|---|
bin | 111000010001… |
… | …0001000011011 |
3 | 2001111202022001 |
4 | 1300202020123 |
5 | 30022444211 |
6 | 2532141431 |
7 | 505513426 |
oct | 160421033 |
9 | 61452261 |
10 | 29499931 |
11 | 1571980a |
12 | 9a67877 |
13 | 615b4a6 |
14 | 3cbc9bd |
15 | 28caac1 |
hex | 1c2221b |
29499931 has 8 divisors (see below), whose sum is σ = 30834720. Its totient is φ = 28186368.
The previous prime is 29499919. The next prime is 29499949. The reversal of 29499931 is 13999492.
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 29499931 - 27 = 29499803 is a prime.
It is a super-2 number, since 2×294999312 = 1740491858009522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29499901) 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, 2431 + ... + 8056.
It is an arithmetic number, because the mean of its divisors is an integer number (3854340).
Almost surely, 229499931 is an apocalyptic number.
29499931 is a deficient number, since it is larger than the sum of its proper divisors (1334789).
29499931 is a wasteful number, since it uses less digits than its factorization.
29499931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10613.
The product of its digits is 157464, while the sum is 46.
The square root of 29499931 is about 5431.3838936315. The cubic root of 29499931 is about 308.9870893877.
It can be divided in two parts, 2949 and 9931, that added together give a triangular number (12880 = T160).
The spelling of 29499931 in words is "twenty-nine million, four hundred ninety-nine thousand, nine hundred thirty-one".
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