Base | Representation |
---|---|
bin | 1000010111111111… |
… | …1111101010010101 |
3 | 12210200021121221021 |
4 | 2011333333222111 |
5 | 14101011124212 |
6 | 1011025321141 |
7 | 106465631140 |
oct | 20577775225 |
9 | 5720247837 |
10 | 2248145557 |
11 | a54024039 |
12 | 528a961b1 |
13 | 29a9ba958 |
14 | 174811057 |
15 | d257c307 |
hex | 85fffa95 |
2248145557 has 8 divisors (see below), whose sum is σ = 2681018496. Its totient is φ = 1843199952.
The previous prime is 2248145539. The next prime is 2248145587. The reversal of 2248145557 is 7555418422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2248145557 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2248145507) 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, 6981658 + ... + 6981979.
It is an arithmetic number, because the mean of its divisors is an integer number (335127312).
Almost surely, 22248145557 is an apocalyptic number.
It is an amenable number.
2248145557 is a deficient number, since it is larger than the sum of its proper divisors (432872939).
2248145557 is a wasteful number, since it uses less digits than its factorization.
2248145557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13963667.
The product of its digits is 448000, while the sum is 43.
The square root of 2248145557 is about 47414.6133275386. The cubic root of 2248145557 is about 1310.0105970046.
The spelling of 2248145557 in words is "two billion, two hundred forty-eight million, one hundred forty-five thousand, five hundred fifty-seven".
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