Base | Representation |
---|---|
bin | 10001011000101… |
… | …01101100001100 |
3 | 101011102111010010 |
4 | 20230111230030 |
5 | 244313402113 |
6 | 22245513220 |
7 | 3420425103 |
oct | 1054255414 |
9 | 334374103 |
10 | 145840908 |
11 | 75361484 |
12 | 40a12810 |
13 | 242a3ac5 |
14 | 1552503a |
15 | cc0c1c3 |
hex | 8b15b0c |
145840908 has 24 divisors (see below), whose sum is σ = 340623360. Its totient is φ = 48566800.
The previous prime is 145840897. The next prime is 145840921. The reversal of 145840908 is 809048541.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8533 + ... + 19091.
It is an arithmetic number, because the mean of its divisors is an integer number (14192640).
Almost surely, 2145840908 is an apocalyptic number.
It is an amenable number.
145840908 is an abundant number, since it is smaller than the sum of its proper divisors (194782452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145840908 is a wasteful number, since it uses less digits than its factorization.
145840908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11717 (or 11715 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 145840908 is about 12076.4609054143. The cubic root of 145840908 is about 526.3724128504.
The spelling of 145840908 in words is "one hundred forty-five million, eight hundred forty thousand, nine hundred eight".
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