Base | Representation |
---|---|
bin | 10001010101100… |
… | …10100001111100 |
3 | 101010122211222011 |
4 | 20222302201330 |
5 | 244212402443 |
6 | 22233101004 |
7 | 3414114004 |
oct | 1052624174 |
9 | 333584864 |
10 | 145434748 |
11 | 75104308 |
12 | 40857764 |
13 | 24190c84 |
14 | 1545b004 |
15 | cb7bb9d |
hex | 8ab287c |
145434748 has 12 divisors (see below), whose sum is σ = 257031432. Its totient is φ = 71997200.
The previous prime is 145434743. The next prime is 145434781. The reversal of 145434748 is 847434541.
It is a self number, because there is not a number n which added to its sum of digits gives 145434748.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145434743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179590 + ... + 180397.
It is an arithmetic number, because the mean of its divisors is an integer number (21419286).
Almost surely, 2145434748 is an apocalyptic number.
It is an amenable number.
145434748 is a deficient number, since it is larger than the sum of its proper divisors (111596684).
145434748 is a wasteful number, since it uses less digits than its factorization.
145434748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360092 (or 360090 counting only the distinct ones).
The product of its digits is 215040, while the sum is 40.
The square root of 145434748 is about 12059.6329960741. The cubic root of 145434748 is about 525.8833178128.
It can be divided in two parts, 14543 and 4748, that added together give a palindrome (19291).
The spelling of 145434748 in words is "one hundred forty-five million, four hundred thirty-four thousand, seven hundred forty-eight".
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