Base | Representation |
---|---|
bin | 10001101011001… |
… | …11011010010111 |
3 | 101100000001000212 |
4 | 20311213122113 |
5 | 300424212131 |
6 | 22414000035 |
7 | 3450204122 |
oct | 1065473227 |
9 | 340001025 |
10 | 148272791 |
11 | 767725a7 |
12 | 417a601b |
13 | 249459a4 |
14 | 159993b9 |
15 | d03ca2b |
hex | 8d67697 |
148272791 has 2 divisors, whose sum is σ = 148272792. Its totient is φ = 148272790.
The previous prime is 148272767. The next prime is 148272797. The reversal of 148272791 is 197272841.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-148272791 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (148272797) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74136395 + 74136396.
It is an arithmetic number, because the mean of its divisors is an integer number (74136396).
Almost surely, 2148272791 is an apocalyptic number.
148272791 is a deficient number, since it is larger than the sum of its proper divisors (1).
148272791 is an equidigital number, since it uses as much as digits as its factorization.
148272791 is an evil number, because the sum of its binary digits is even.
The product of its digits is 56448, while the sum is 41.
The square root of 148272791 is about 12176.7315401137. The cubic root of 148272791 is about 529.2820360380.
Subtracting 148272791 from its reverse (197272841), we obtain a triangular number (49000050 = T9899).
The spelling of 148272791 in words is "one hundred forty-eight million, two hundred seventy-two thousand, seven hundred ninety-one".
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