Base | Representation |
---|---|
bin | 100100100000100… |
… | …0011101111011001 |
3 | 10011101002011121112 |
4 | 1021001003233121 |
5 | 10002100423413 |
6 | 321320150105 |
7 | 42233310032 |
oct | 11101035731 |
9 | 3141064545 |
10 | 1225014233 |
11 | 579541363 |
12 | 2a2308335 |
13 | 166a41cc1 |
14 | b89a1a89 |
15 | 7282c2a8 |
hex | 49043bd9 |
1225014233 has 4 divisors (see below), whose sum is σ = 1225363920. Its totient is φ = 1224664548.
The previous prime is 1225014223. The next prime is 1225014253. The reversal of 1225014233 is 3324105221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3324105221 = 47 ⋅70725643.
It is a cyclic number.
It is not a de Polignac number, because 1225014233 - 220 = 1223965657 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1225014199 and 1225014208.
It is not an unprimeable number, because it can be changed into a prime (1225014223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169535 + ... + 176612.
It is an arithmetic number, because the mean of its divisors is an integer number (306340980).
Almost surely, 21225014233 is an apocalyptic number.
It is an amenable number.
1225014233 is a deficient number, since it is larger than the sum of its proper divisors (349687).
1225014233 is an equidigital number, since it uses as much as digits as its factorization.
1225014233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349686.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 1225014233 is about 35000.2033279808. The cubic root of 1225014233 is about 1069.9916245305.
Adding to 1225014233 its reverse (3324105221), we get a palindrome (4549119454).
The spelling of 1225014233 in words is "one billion, two hundred twenty-five million, fourteen thousand, two hundred thirty-three".
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