Base | Representation |
---|---|
bin | 10001101001110… |
… | …10011111010101 |
3 | 101022122200121222 |
4 | 20310322133111 |
5 | 300402320124 |
6 | 22410020125 |
7 | 3445506512 |
oct | 1064723725 |
9 | 338580558 |
10 | 148088789 |
11 | 76657332 |
12 | 41717645 |
13 | 248b0004 |
14 | 1594c309 |
15 | d00325e |
hex | 8d3a7d5 |
148088789 has 6 divisors (see below), whose sum is σ = 154807926. Its totient is φ = 141649640.
The previous prime is 148088783. The next prime is 148088803. The reversal of 148088789 is 987880841.
It can be written as a sum of positive squares in only one way, i.e., 148035889 + 52900 = 12167^2 + 230^2 .
It is not a de Polignac number, because 148088789 - 28 = 148088533 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 148088789.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148088783) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139442 + ... + 140499.
It is an arithmetic number, because the mean of its divisors is an integer number (25801321).
Almost surely, 2148088789 is an apocalyptic number.
It is an amenable number.
148088789 is a deficient number, since it is larger than the sum of its proper divisors (6719137).
148088789 is an equidigital number, since it uses as much as digits as its factorization.
148088789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279987 (or 279964 counting only the distinct ones).
The product of its (nonzero) digits is 1032192, while the sum is 53.
The square root of 148088789 is about 12169.1737188685. The cubic root of 148088789 is about 529.0630044681.
It can be divided in two parts, 148088 and 789, that added together give a cube (148877 = 533).
The spelling of 148088789 in words is "one hundred forty-eight million, eighty-eight thousand, seven hundred eighty-nine".
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