Base | Representation |
---|---|
bin | 110100100001001… |
… | …111111011011001 |
3 | 2021102000002210211 |
4 | 310201033323121 |
5 | 3301032144400 |
6 | 223233411121 |
7 | 30556330462 |
oct | 6441177331 |
9 | 2242002724 |
10 | 881131225 |
11 | 412414a27 |
12 | 207109aa1 |
13 | 11071b130 |
14 | 85047d69 |
15 | 52550dba |
hex | 3484fed9 |
881131225 has 24 divisors (see below), whose sum is σ = 1178452352. Its totient is φ = 649684800.
The previous prime is 881131211. The next prime is 881131247. The reversal of 881131225 is 522131188.
It is a de Polignac number, because none of the positive numbers 2k-881131225 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261904 + ... + 265246.
Almost surely, 2881131225 is an apocalyptic number.
It is an amenable number.
881131225 is a deficient number, since it is larger than the sum of its proper divisors (297321127).
881131225 is a wasteful number, since it uses less digits than its factorization.
881131225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4177 (or 4172 counting only the distinct ones).
The product of its digits is 3840, while the sum is 31.
The square root of 881131225 is about 29683.8546182938. The cubic root of 881131225 is about 958.6944148270.
The spelling of 881131225 in words is "eight hundred eighty-one million, one hundred thirty-one thousand, two hundred twenty-five".
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