Base | Representation |
---|---|
bin | 1110100111110… |
… | …1101100000001 |
3 | 11021101222222220 |
4 | 3221331230001 |
5 | 111200112400 |
6 | 10030321253 |
7 | 1343213103 |
oct | 351755401 |
9 | 137358886 |
10 | 61332225 |
11 | 31690899 |
12 | 18659229 |
13 | c925476 |
14 | 8207573 |
15 | 55b77a0 |
hex | 3a7db01 |
61332225 has 24 divisors (see below), whose sum is σ = 101785152. Its totient is φ = 32587200.
The previous prime is 61332223. The next prime is 61332239. The reversal of 61332225 is 52223316.
It is not a de Polignac number, because 61332225 - 21 = 61332223 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 61332195 and 61332204.
It is not an unprimeable number, because it can be changed into a prime (61332223) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20580 + ... + 23370.
It is an arithmetic number, because the mean of its divisors is an integer number (4241048).
Almost surely, 261332225 is an apocalyptic number.
It is an amenable number.
61332225 is a deficient number, since it is larger than the sum of its proper divisors (40452927).
61332225 is a wasteful number, since it uses less digits than its factorization.
61332225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3097 (or 3092 counting only the distinct ones).
The product of its digits is 2160, while the sum is 24.
The square root of 61332225 is about 7831.4893219617. The cubic root of 61332225 is about 394.3630711521.
The spelling of 61332225 in words is "sixty-one million, three hundred thirty-two thousand, two hundred twenty-five".
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