Base | Representation |
---|---|
bin | 10001101001100… |
… | …01100011111101 |
3 | 101022120211110121 |
4 | 20310301203331 |
5 | 300400132341 |
6 | 22405134541 |
7 | 3445265062 |
oct | 1064614375 |
9 | 338524417 |
10 | 148052221 |
11 | 76631909 |
12 | 416ba451 |
13 | 24899485 |
14 | 1593cc69 |
15 | cee74d1 |
hex | 8d318fd |
148052221 has 8 divisors (see below), whose sum is σ = 153298080. Its totient is φ = 142815792.
The previous prime is 148052213. The next prime is 148052227. The reversal of 148052221 is 122250841.
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 148052221 - 23 = 148052213 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 (148052227) 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, 48486 + ... + 51448.
It is an arithmetic number, because the mean of its divisors is an integer number (19162260).
Almost surely, 2148052221 is an apocalyptic number.
It is an amenable number.
148052221 is a deficient number, since it is larger than the sum of its proper divisors (5245859).
148052221 is a wasteful number, since it uses less digits than its factorization.
148052221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4715.
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 148052221 is about 12167.6711411839. The cubic root of 148052221 is about 529.0194531888.
The spelling of 148052221 in words is "one hundred forty-eight million, fifty-two thousand, two hundred twenty-one".
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