Base | Representation |
---|---|
bin | 10001110000011… |
… | …01101010010001 |
3 | 101101021122010101 |
4 | 20320031222101 |
5 | 301113004440 |
6 | 22440332401 |
7 | 3456041323 |
oct | 1070155221 |
9 | 341248111 |
10 | 148953745 |
11 | 77098176 |
12 | 41a74101 |
13 | 24b23915 |
14 | 15ad5613 |
15 | d12469a |
hex | 8e0da91 |
148953745 has 8 divisors (see below), whose sum is σ = 189258984. Its totient is φ = 112153344.
The previous prime is 148953743. The next prime is 148953751. The reversal of 148953745 is 547359841.
It can be written as a sum of positive squares in 4 ways, for example, as 3968064 + 144985681 = 1992^2 + 12041^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 148953745 - 21 = 148953743 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 148953695 and 148953704.
It is not an unprimeable number, because it can be changed into a prime (148953743) 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, 876114 + ... + 876283.
It is an arithmetic number, because the mean of its divisors is an integer number (23657373).
Almost surely, 2148953745 is an apocalyptic number.
It is an amenable number.
148953745 is a deficient number, since it is larger than the sum of its proper divisors (40305239).
148953745 is a wasteful number, since it uses less digits than its factorization.
148953745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1752419.
The product of its digits is 604800, while the sum is 46.
The square root of 148953745 is about 12204.6607900425. The cubic root of 148953745 is about 530.0910547248.
The spelling of 148953745 in words is "one hundred forty-eight million, nine hundred fifty-three thousand, seven hundred forty-five".
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