Base | Representation |
---|---|
bin | 10001011001001… |
… | …00011110101100 |
3 | 101011112120012200 |
4 | 20230210132230 |
5 | 244322321414 |
6 | 22251101500 |
7 | 3421066521 |
oct | 1054443654 |
9 | 334476180 |
10 | 145901484 |
11 | 753a2a43 |
12 | 40a41890 |
13 | 242c5551 |
14 | 1553d148 |
15 | cc20109 |
hex | 8b247ac |
145901484 has 36 divisors (see below), whose sum is σ = 369620160. Its totient is φ = 48526560.
The previous prime is 145901479. The next prime is 145901491. The reversal of 145901484 is 484109541.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 13014 + ... + 21474.
Almost surely, 2145901484 is an apocalyptic number.
It is an amenable number.
145901484 is an abundant number, since it is smaller than the sum of its proper divisors (223718676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145901484 is a wasteful number, since it uses less digits than its factorization.
145901484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8950 (or 8945 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 145901484 is about 12078.9686645839. The cubic root of 145901484 is about 526.4452802009.
The spelling of 145901484 in words is "one hundred forty-five million, nine hundred one thousand, four hundred eighty-four".
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