Base | Representation |
---|---|
bin | 10001101110000… |
… | …10011110101001 |
3 | 101100200222201001 |
4 | 20313002132221 |
5 | 301023131201 |
6 | 22425555001 |
7 | 3453316453 |
oct | 1067023651 |
9 | 340628631 |
10 | 148645801 |
11 | 769a7877 |
12 | 41945a61 |
13 | 24a466c5 |
14 | 15a552d3 |
15 | d0b3301 |
hex | 8dc27a9 |
148645801 has 2 divisors, whose sum is σ = 148645802. Its totient is φ = 148645800.
The previous prime is 148645799. The next prime is 148645817. The reversal of 148645801 is 108546841.
148645801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 143424576 + 5221225 = 11976^2 + 2285^2 .
It is a cyclic number.
It is not a de Polignac number, because 148645801 - 21 = 148645799 is a prime.
Together with 148645799, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (148645201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74322900 + 74322901.
It is an arithmetic number, because the mean of its divisors is an integer number (74322901).
Almost surely, 2148645801 is an apocalyptic number.
It is an amenable number.
148645801 is a deficient number, since it is larger than the sum of its proper divisors (1).
148645801 is an equidigital number, since it uses as much as digits as its factorization.
148645801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30720, while the sum is 37.
The square root of 148645801 is about 12192.0384267767. The cubic root of 148645801 is about 529.7255028079.
The spelling of 148645801 in words is "one hundred forty-eight million, six hundred forty-five thousand, eight hundred one".
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