Base | Representation |
---|---|
bin | 101011001010001… |
… | …0000011101111101 |
3 | 10201220221200120212 |
4 | 1112110100131331 |
5 | 10431211312114 |
6 | 355410522205 |
7 | 50613036212 |
oct | 12624203575 |
9 | 3656850525 |
10 | 1448150909 |
11 | 683497237 |
12 | 344b96365 |
13 | 1a103a33a |
14 | da487b09 |
15 | 87206b3e |
hex | 5651077d |
1448150909 has 4 divisors (see below), whose sum is σ = 1511114016. Its totient is φ = 1385187804.
The previous prime is 1448150849. The next prime is 1448150923. The reversal of 1448150909 is 9090518441.
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 1448150909 - 28 = 1448150653 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1448150999) 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, 31481519 + ... + 31481564.
It is an arithmetic number, because the mean of its divisors is an integer number (377778504).
Almost surely, 21448150909 is an apocalyptic number.
It is an amenable number.
1448150909 is a deficient number, since it is larger than the sum of its proper divisors (62963107).
1448150909 is an equidigital number, since it uses as much as digits as its factorization.
1448150909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62963106.
The product of its (nonzero) digits is 51840, while the sum is 41.
The square root of 1448150909 is about 38054.5780294566. The cubic root of 1448150909 is about 1131.3698658169.
The spelling of 1448150909 in words is "one billion, four hundred forty-eight million, one hundred fifty thousand, nine hundred nine".
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