Base | Representation |
---|---|
bin | 10001101011010… |
… | …10101101001001 |
3 | 101100000201112111 |
4 | 20311222231021 |
5 | 300430130111 |
6 | 22414142321 |
7 | 3450261343 |
oct | 1065525511 |
9 | 340021474 |
10 | 148286281 |
11 | 76781750 |
12 | 417b19a1 |
13 | 2494bb80 |
14 | 159a0293 |
15 | d041a21 |
hex | 8d6ab49 |
148286281 has 16 divisors (see below), whose sum is σ = 175952448. Its totient is φ = 123192000.
The previous prime is 148286273. The next prime is 148286311. The reversal of 148286281 is 182682841.
148286281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 148286281 - 23 = 148286273 is a prime.
It is a super-2 number, since 2×1482862812 = 43977642265621922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148286581) 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, 9310 + ... + 19576.
It is an arithmetic number, because the mean of its divisors is an integer number (10997028).
Almost surely, 2148286281 is an apocalyptic number.
148286281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
148286281 is a deficient number, since it is larger than the sum of its proper divisors (27666167).
148286281 is a wasteful number, since it uses less digits than its factorization.
148286281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10392.
The product of its digits is 49152, while the sum is 40.
The square root of 148286281 is about 12177.2854528421. The cubic root of 148286281 is about 529.2980870794.
The spelling of 148286281 in words is "one hundred forty-eight million, two hundred eighty-six thousand, two hundred eighty-one".
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