Base | Representation |
---|---|
bin | 10001010110111… |
… | …10100010110110 |
3 | 101011000000021021 |
4 | 20223132202312 |
5 | 244234140110 |
6 | 22241011354 |
7 | 3415464421 |
oct | 1053364266 |
9 | 334000237 |
10 | 145615030 |
11 | 75217800 |
12 | 40923b5a |
13 | 24225052 |
14 | 154a69b8 |
15 | cbb52da |
hex | 8ade8b6 |
145615030 has 48 divisors (see below), whose sum is σ = 305091360. Its totient is φ = 49829120.
The previous prime is 145615007. The next prime is 145615037. The reversal of 145615030 is 30516541.
It is a junction number, because it is equal to n+sod(n) for n = 145614986 and 145615004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145615037) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17031 + ... + 24109.
It is an arithmetic number, because the mean of its divisors is an integer number (6356070).
Almost surely, 2145615030 is an apocalyptic number.
145615030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145615030 is an abundant number, since it is smaller than the sum of its proper divisors (159476330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145615030 is a wasteful number, since it uses less digits than its factorization.
145615030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7125 (or 7114 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 145615030 is about 12067.1052866874. The cubic root of 145615030 is about 526.1005243836.
It can be divided in two parts, 14561 and 5030, that added together give a palindrome (19591).
The spelling of 145615030 in words is "one hundred forty-five million, six hundred fifteen thousand, thirty".
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