Base | Representation |
---|---|
bin | 100100100001001… |
… | …0110000010100100 |
3 | 10011101201022000200 |
4 | 1021002112002210 |
5 | 10002142220312 |
6 | 321331310500 |
7 | 42236212602 |
oct | 11102260244 |
9 | 3141638020 |
10 | 1225351332 |
11 | 579751657 |
12 | 2a244b430 |
13 | 166b2c57a |
14 | b8a4c872 |
15 | 728970dc |
hex | 490960a4 |
1225351332 has 36 divisors (see below), whose sum is σ = 3113650176. Its totient is φ = 406309680.
The previous prime is 1225351331. The next prime is 1225351333. The reversal of 1225351332 is 2331535221.
It is a happy number.
1225351332 is a `hidden beast` number, since 122 + 535 + 1 + 3 + 3 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (1225351331) and next prime (1225351333).
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 1225351296 and 1225351305.
It is not an unprimeable number, because it can be changed into a prime (1225351331) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82228 + ... + 95979.
Almost surely, 21225351332 is an apocalyptic number.
1225351332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1225351332 is an abundant number, since it is smaller than the sum of its proper divisors (1888298844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1225351332 is a wasteful number, since it uses less digits than its factorization.
1225351332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178408 (or 178403 counting only the distinct ones).
The product of its digits is 5400, while the sum is 27.
The square root of 1225351332 is about 35005.0186687566. The cubic root of 1225351332 is about 1070.0897621730.
Adding to 1225351332 its reverse (2331535221), we get a palindrome (3556886553).
The spelling of 1225351332 in words is "one billion, two hundred twenty-five million, three hundred fifty-one thousand, three hundred thirty-two".
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