Base | Representation |
---|---|
bin | 100100100000101… |
… | …0010110111011101 |
3 | 10011101012022121012 |
4 | 1021001102313131 |
5 | 10002104414224 |
6 | 321321345005 |
7 | 42233655461 |
oct | 11101226735 |
9 | 3141168535 |
10 | 1225076189 |
11 | 579583967 |
12 | 2a2338165 |
13 | 166a6426c |
14 | b89ba4a1 |
15 | 7284080e |
hex | 49052ddd |
1225076189 has 8 divisors (see below), whose sum is σ = 1242144000. Its totient is φ = 1208081952.
The previous prime is 1225076183. The next prime is 1225076201. The reversal of 1225076189 is 9816705221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1225076189 - 216 = 1225010653 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1225076183) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15572 + ... + 51890.
It is an arithmetic number, because the mean of its divisors is an integer number (155268000).
Almost surely, 21225076189 is an apocalyptic number.
It is an amenable number.
1225076189 is a deficient number, since it is larger than the sum of its proper divisors (17067811).
1225076189 is an equidigital number, since it uses as much as digits as its factorization.
1225076189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36787.
The product of its (nonzero) digits is 60480, while the sum is 41.
The square root of 1225076189 is about 35001.0883973627. The cubic root of 1225076189 is about 1070.0096627654.
The spelling of 1225076189 in words is "one billion, two hundred twenty-five million, seventy-six thousand, one hundred eighty-nine".
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