Base | Representation |
---|---|
bin | 100100100001010… |
… | …0101011011111101 |
3 | 10011101211111112102 |
4 | 1021002211123331 |
5 | 10002201230042 |
6 | 321332514445 |
7 | 42236564504 |
oct | 11102453375 |
9 | 3141744472 |
10 | 1225414397 |
11 | 579794a79 |
12 | 2a247ba25 |
13 | 166b5219c |
14 | b8a6783b |
15 | 728aab32 |
hex | 490a56fd |
1225414397 has 4 divisors (see below), whose sum is σ = 1236866976. Its totient is φ = 1213961820.
The previous prime is 1225414391. The next prime is 1225414439. The reversal of 1225414397 is 7934145221.
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.
It is a cyclic number.
It is not a de Polignac number, because 1225414397 - 210 = 1225413373 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1225414397.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1225414391) 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, 5726129 + ... + 5726342.
It is an arithmetic number, because the mean of its divisors is an integer number (309216744).
Almost surely, 21225414397 is an apocalyptic number.
It is an amenable number.
1225414397 is a deficient number, since it is larger than the sum of its proper divisors (11452579).
1225414397 is a wasteful number, since it uses less digits than its factorization.
1225414397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11452578.
The product of its digits is 60480, while the sum is 38.
The square root of 1225414397 is about 35005.9194565719. The cubic root of 1225414397 is about 1070.1081199156.
The spelling of 1225414397 in words is "one billion, two hundred twenty-five million, four hundred fourteen thousand, three hundred ninety-seven".
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