Base | Representation |
---|---|
bin | 111000001011… |
… | …0101101000101 |
3 | 2001102101002111 |
4 | 1300112231011 |
5 | 30020000000 |
6 | 2531141021 |
7 | 505230112 |
oct | 160265505 |
9 | 61371074 |
10 | 29453125 |
11 | 15697629 |
12 | 9a44771 |
13 | 61430b0 |
14 | 3ca9909 |
15 | 28bbcba |
hex | 1c16b45 |
29453125 has 32 divisors (see below), whose sum is σ = 41015520. Its totient is φ = 21000000.
The previous prime is 29453113. The next prime is 29453153. The reversal of 29453125 is 52135492.
It can be written as a sum of positive squares in 16 ways, for example, as 6728836 + 22724289 = 2594^2 + 4767^2 .
It is not a de Polignac number, because 29453125 - 29 = 29452613 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015611 + ... + 1015639.
It is an arithmetic number, because the mean of its divisors is an integer number (1281735).
It is a vampire number, since it can be written as 3125 ⋅ 9425 (with its own digits).
Almost surely, 229453125 is an apocalyptic number.
29453125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
29453125 is a deficient number, since it is larger than the sum of its proper divisors (11562395).
29453125 is an frugal number, since it uses more digits than its factorization.
29453125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77 (or 47 counting only the distinct ones).
The product of its digits is 10800, while the sum is 31.
The square root of 29453125 is about 5427.0733365231. The cubic root of 29453125 is about 308.8235849895.
It can be divided in two parts, 29 and 453125, that multiplied together give a square (13140625 = 36252).
The spelling of 29453125 in words is "twenty-nine million, four hundred fifty-three thousand, one hundred twenty-five".
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