Base | Representation |
---|---|
bin | 10001101110000… |
… | …10010001111100 |
3 | 101100200221120221 |
4 | 20313002101330 |
5 | 301023114423 |
6 | 22425551124 |
7 | 3453314212 |
oct | 1067022174 |
9 | 340627527 |
10 | 148644988 |
11 | 769a71a8 |
12 | 419454a4 |
13 | 24a4621b |
14 | 15a54cb2 |
15 | d0b2e5d |
hex | 8dc247c |
148644988 has 6 divisors (see below), whose sum is σ = 260128736. Its totient is φ = 74322492.
The previous prime is 148644943. The next prime is 148644989. The reversal of 148644988 is 889446841.
148644988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148644989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18580620 + ... + 18580627.
Almost surely, 2148644988 is an apocalyptic number.
It is an amenable number.
148644988 is a deficient number, since it is larger than the sum of its proper divisors (111483748).
148644988 is a wasteful number, since it uses less digits than its factorization.
148644988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37161251 (or 37161249 counting only the distinct ones).
The product of its digits is 1769472, while the sum is 52.
The square root of 148644988 is about 12192.0050853008. The cubic root of 148644988 is about 529.7245370499.
The spelling of 148644988 in words is "one hundred forty-eight million, six hundred forty-four thousand, nine hundred eighty-eight".
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