Base | Representation |
---|---|
bin | 10001101010110… |
… | …00000100110111 |
3 | 101022212211212100 |
4 | 20311120010313 |
5 | 300420204400 |
6 | 22412353143 |
7 | 3446523024 |
oct | 1065300467 |
9 | 338784770 |
10 | 148209975 |
11 | 7672a391 |
12 | 417757b3 |
13 | 24923214 |
14 | 1598054b |
15 | d029100 |
hex | 8d58137 |
148209975 has 72 divisors (see below), whose sum is σ = 287290640. Its totient is φ = 72783360.
The previous prime is 148209967. The next prime is 148209979. The reversal of 148209975 is 579902841.
It is not a de Polignac number, because 148209975 - 23 = 148209967 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 148209975.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148209979) 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 in 71 ways as a sum of consecutive naturals, for example, 157707 + ... + 158643.
Almost surely, 2148209975 is an apocalyptic number.
148209975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
148209975 is a deficient number, since it is larger than the sum of its proper divisors (139080665).
148209975 is a wasteful number, since it uses less digits than its factorization.
148209975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1009 (or 1001 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The square root of 148209975 is about 12174.1519211812. The cubic root of 148209975 is about 529.2072817594.
The spelling of 148209975 in words is "one hundred forty-eight million, two hundred nine thousand, nine hundred seventy-five".
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