Base | Representation |
---|---|
bin | 10001101010111… |
… | …01011101000101 |
3 | 101022220222002021 |
4 | 20311131131011 |
5 | 300421411010 |
6 | 22413043141 |
7 | 3446644165 |
oct | 1065353505 |
9 | 338828067 |
10 | 148232005 |
11 | 76744999 |
12 | 417864b1 |
13 | 2493025c |
14 | 159885a5 |
15 | d0308da |
hex | 8d5d745 |
148232005 has 8 divisors (see below), whose sum is σ = 179712792. Its totient is φ = 117362688.
The previous prime is 148231999. The next prime is 148232017. The reversal of 148232005 is 500232841.
It can be written as a sum of positive squares in 4 ways, for example, as 41357761 + 106874244 = 6431^2 + 10338^2 .
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 148232005 - 25 = 148231973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152332 + ... + 153301.
It is an arithmetic number, because the mean of its divisors is an integer number (22464099).
Almost surely, 2148232005 is an apocalyptic number.
It is an amenable number.
148232005 is a deficient number, since it is larger than the sum of its proper divisors (31480787).
148232005 is an equidigital number, since it uses as much as digits as its factorization.
148232005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305735.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 148232005 is about 12175.0566733794. The cubic root of 148232005 is about 529.2335009996.
Adding to 148232005 its reverse (500232841), we get a palindrome (648464846).
The spelling of 148232005 in words is "one hundred forty-eight million, two hundred thirty-two thousand, five".
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