Base | Representation |
---|---|
bin | 10001010011010… |
… | …00001110010100 |
3 | 101010002101110120 |
4 | 20221220032110 |
5 | 244123133023 |
6 | 22222351540 |
7 | 3411405444 |
oct | 1051501624 |
9 | 333071416 |
10 | 145130388 |
11 | 74a16677 |
12 | 4072b5b0 |
13 | 240b5590 |
14 | 153bc124 |
15 | cb1b8e3 |
hex | 8a68394 |
145130388 has 24 divisors (see below), whose sum is σ = 364687008. Its totient is φ = 44655456.
The previous prime is 145130387. The next prime is 145130423. The reversal of 145130388 is 883031541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145130387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465006 + ... + 465317.
It is an arithmetic number, because the mean of its divisors is an integer number (15195292).
Almost surely, 2145130388 is an apocalyptic number.
It is an amenable number.
145130388 is an abundant number, since it is smaller than the sum of its proper divisors (219556620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145130388 is a wasteful number, since it uses less digits than its factorization.
145130388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 930343 (or 930341 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 145130388 is about 12047.0074292332. The cubic root of 145130388 is about 525.5162124431.
The spelling of 145130388 in words is "one hundred forty-five million, one hundred thirty thousand, three hundred eighty-eight".
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