Base | Representation |
---|---|
bin | 111000001110… |
… | …1101111000101 |
3 | 2001110211121011 |
4 | 1300131233011 |
5 | 30021410200 |
6 | 2531522221 |
7 | 505410064 |
oct | 160355705 |
9 | 61424534 |
10 | 29481925 |
11 | 15707230 |
12 | 9a59371 |
13 | 6153235 |
14 | 3cb61db |
15 | 28c55ba |
hex | 1c1dbc5 |
29481925 has 24 divisors (see below), whose sum is σ = 40747392. Its totient is φ = 20976000.
The previous prime is 29481919. The next prime is 29481967. The reversal of 29481925 is 52918492.
It is not a de Polignac number, because 29481925 - 219 = 28957637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11785 + ... + 14065.
It is an arithmetic number, because the mean of its divisors is an integer number (1697808).
Almost surely, 229481925 is an apocalyptic number.
29481925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
29481925 is a deficient number, since it is larger than the sum of its proper divisors (11265467).
29481925 is a wasteful number, since it uses less digits than its factorization.
29481925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2349 (or 2344 counting only the distinct ones).
The product of its digits is 51840, while the sum is 40.
The square root of 29481925 is about 5429.7260520214. The cubic root of 29481925 is about 308.9242106657.
The spelling of 29481925 in words is "twenty-nine million, four hundred eighty-one thousand, nine hundred twenty-five".
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