Base | Representation |
---|---|
bin | 100100100000100… |
… | …1000001001101111 |
3 | 10011101010002101210 |
4 | 1021001020021233 |
5 | 10002102013203 |
6 | 321320405503 |
7 | 42233413515 |
oct | 11101101157 |
9 | 3141102353 |
10 | 1225032303 |
11 | 5795539a0 |
12 | 2a2316893 |
13 | 166a4a2b1 |
14 | b89a84b5 |
15 | 72832803 |
hex | 4904826f |
1225032303 has 16 divisors (see below), whose sum is σ = 1800239616. Its totient is φ = 734787840.
The previous prime is 1225032241. The next prime is 1225032307. The reversal of 1225032303 is 3032305221.
It is not a de Polignac number, because 1225032303 - 28 = 1225032047 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1225032303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1225032307) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188151 + ... + 194552.
It is an arithmetic number, because the mean of its divisors is an integer number (112514976).
Almost surely, 21225032303 is an apocalyptic number.
1225032303 is a deficient number, since it is larger than the sum of its proper divisors (575207313).
1225032303 is a wasteful number, since it uses less digits than its factorization.
1225032303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382814.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 1225032303 is about 35000.4614683864. The cubic root of 1225032303 is about 1069.9968855996.
Adding to 1225032303 its reverse (3032305221), we get a palindrome (4257337524).
The spelling of 1225032303 in words is "one billion, two hundred twenty-five million, thirty-two thousand, three hundred three".
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