Base | Representation |
---|---|
bin | 10001101011001… |
… | …00101001011101 |
3 | 101022222110111112 |
4 | 20311210221131 |
5 | 300423331334 |
6 | 22413431405 |
7 | 3450126116 |
oct | 1065445135 |
9 | 338873445 |
10 | 148261469 |
11 | 76765044 |
12 | 4179b565 |
13 | 249407a5 |
14 | 1599520d |
15 | d0394ce |
hex | 8d64a5d |
148261469 has 2 divisors, whose sum is σ = 148261470. Its totient is φ = 148261468.
The previous prime is 148261457. The next prime is 148261577. The reversal of 148261469 is 964162841.
148261469 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., 83265625 + 64995844 = 9125^2 + 8062^2 .
It is a cyclic number.
It is not a de Polignac number, because 148261469 - 28 = 148261213 is a prime.
It is a super-2 number, since 2×1482614692 = 43962926380075922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (148264469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74130734 + 74130735.
It is an arithmetic number, because the mean of its divisors is an integer number (74130735).
Almost surely, 2148261469 is an apocalyptic number.
It is an amenable number.
148261469 is a deficient number, since it is larger than the sum of its proper divisors (1).
148261469 is an equidigital number, since it uses as much as digits as its factorization.
148261469 is an evil number, because the sum of its binary digits is even.
The product of its digits is 82944, while the sum is 41.
The square root of 148261469 is about 12176.2666281582. The cubic root of 148261469 is about 529.2685638343.
The spelling of 148261469 in words is "one hundred forty-eight million, two hundred sixty-one thousand, four hundred sixty-nine".
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