Base | Representation |
---|---|
bin | 10001011000101… |
… | …00111100000000 |
3 | 101011102022212220 |
4 | 20230110330000 |
5 | 244313302244 |
6 | 22245451040 |
7 | 3420413106 |
oct | 1054247400 |
9 | 334368786 |
10 | 145837824 |
11 | 7535a130 |
12 | 40a10a80 |
13 | 242a2592 |
14 | 15523c76 |
15 | cc0b319 |
hex | 8b14f00 |
145837824 has 144 divisors (see below), whose sum is σ = 431889024. Its totient is φ = 43315200.
The previous prime is 145837819. The next prime is 145837829. The reversal of 145837824 is 428738541.
It is an interprime number because it is at equal distance from previous prime (145837819) and next prime (145837829).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145837829) 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, 515187 + ... + 515469.
Almost surely, 2145837824 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145837824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215944512).
145837824 is an abundant number, since it is smaller than the sum of its proper divisors (286051200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145837824 is a wasteful number, since it uses less digits than its factorization.
145837824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374 (or 360 counting only the distinct ones).
The product of its digits is 215040, while the sum is 42.
The square root of 145837824 is about 12076.3332183242. Note that the first 3 decimals coincide. The cubic root of 145837824 is about 526.3687025427.
The spelling of 145837824 in words is "one hundred forty-five million, eight hundred thirty-seven thousand, eight hundred twenty-four".
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