Base | Representation |
---|---|
bin | 100100100000111… |
… | …1001011001110110 |
3 | 10011101111100010110 |
4 | 1021001321121312 |
5 | 10002124442123 |
6 | 321325003450 |
7 | 42235213620 |
oct | 11101713166 |
9 | 3141440113 |
10 | 1225234038 |
11 | 579681516 |
12 | 2a23b3586 |
13 | 166abb072 |
14 | b8a1bc10 |
15 | 72872493 |
hex | 49079676 |
1225234038 has 32 divisors (see below), whose sum is σ = 2947933440. Its totient is φ = 331642080.
The previous prime is 1225234033. The next prime is 1225234039. The reversal of 1225234038 is 8304325221.
It is a junction number, because it is equal to n+sod(n) for n = 1225233996 and 1225234014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1225234033) 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, 766893 + ... + 768488.
It is an arithmetic number, because the mean of its divisors is an integer number (92122920).
Almost surely, 21225234038 is an apocalyptic number.
1225234038 is an abundant number, since it is smaller than the sum of its proper divisors (1722699402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1225234038 is a wasteful number, since it uses less digits than its factorization.
1225234038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1535412.
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 1225234038 is about 35003.3432403249. The cubic root of 1225234038 is about 1070.0556171050.
Adding to 1225234038 its reverse (8304325221), we get a palindrome (9529559259).
The spelling of 1225234038 in words is "one billion, two hundred twenty-five million, two hundred thirty-four thousand, thirty-eight".
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