Base | Representation |
---|---|
bin | 10001101110110… |
… | …00111001101001 |
3 | 101100212122200112 |
4 | 20313120321221 |
5 | 301034101031 |
6 | 22431544105 |
7 | 3454151303 |
oct | 1067307151 |
9 | 340778615 |
10 | 148737641 |
11 | 76a5a878 |
12 | 4198b035 |
13 | 24a79450 |
14 | 15a7a973 |
15 | d0d062b |
hex | 8dd8e69 |
148737641 has 16 divisors (see below), whose sum is σ = 170254224. Its totient is φ = 128722944.
The previous prime is 148737629. The next prime is 148737679. The reversal of 148737641 is 146737841.
It can be written as a sum of positive squares in 8 ways, for example, as 6651241 + 142086400 = 2579^2 + 11920^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-148737641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148737691) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63605 + ... + 65901.
It is an arithmetic number, because the mean of its divisors is an integer number (10640889).
Almost surely, 2148737641 is an apocalyptic number.
It is an amenable number.
148737641 is a deficient number, since it is larger than the sum of its proper divisors (21516583).
148737641 is a wasteful number, since it uses less digits than its factorization.
148737641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2620.
The product of its digits is 112896, while the sum is 41.
The square root of 148737641 is about 12195.8042375237. The cubic root of 148737641 is about 529.8345763548.
The spelling of 148737641 in words is "one hundred forty-eight million, seven hundred thirty-seven thousand, six hundred forty-one".
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