Base | Representation |
---|---|
bin | 111000111101… |
… | …0000010111001 |
3 | 2002012001020212 |
4 | 1301322002321 |
5 | 30121010100 |
6 | 2544000505 |
7 | 511543316 |
oct | 161720271 |
9 | 62161225 |
10 | 29860025 |
11 | 15945308 |
12 | a000135 |
13 | 6256370 |
14 | 3d73d0d |
15 | 294c635 |
hex | 1c7a0b9 |
29860025 has 24 divisors (see below), whose sum is σ = 40414080. Its totient is φ = 21752640.
The previous prime is 29860021. The next prime is 29860031. The reversal of 29860025 is 52006892.
It is not a de Polignac number, because 29860025 - 22 = 29860021 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 29859973 and 29860000.
It is not an unprimeable number, because it can be changed into a prime (29860021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25094 + ... + 26256.
It is an arithmetic number, because the mean of its divisors is an integer number (1683920).
Almost surely, 229860025 is an apocalyptic number.
29860025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
29860025 is a deficient number, since it is larger than the sum of its proper divisors (10554055).
29860025 is a wasteful number, since it uses less digits than its factorization.
29860025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1265 (or 1260 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 29860025 is about 5464.4327244463. The cubic root of 29860025 is about 310.2392360693.
The spelling of 29860025 in words is "twenty-nine million, eight hundred sixty thousand, twenty-five".
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