Base | Representation |
---|---|
bin | 101011000100110… |
… | …0110101111000010 |
3 | 10201201200211011102 |
4 | 1112021212233002 |
5 | 10430002433110 |
6 | 355231014402 |
7 | 50550226160 |
oct | 12611465702 |
9 | 3651624142 |
10 | 1445358530 |
11 | 68195a290 |
12 | 34406a402 |
13 | 1a05a0345 |
14 | d9d5c230 |
15 | 86d545a5 |
hex | 56266bc2 |
1445358530 has 128 divisors (see below), whose sum is σ = 3469340160. Its totient is φ = 419696640.
The previous prime is 1445358529. The next prime is 1445358553. The reversal of 1445358530 is 358535441.
It is a happy number.
1445358530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×14453585302 = 4178122560487521800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1426304 + ... + 1427316.
It is an arithmetic number, because the mean of its divisors is an integer number (27104220).
Almost surely, 21445358530 is an apocalyptic number.
1445358530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1445358530 is an abundant number, since it is smaller than the sum of its proper divisors (2023981630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1445358530 is a wasteful number, since it uses less digits than its factorization.
1445358530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1164.
The product of its (nonzero) digits is 144000, while the sum is 38.
The square root of 1445358530 is about 38017.8711923748. The cubic root of 1445358530 is about 1130.6422146252.
Subtracting from 1445358530 its reverse (358535441), we obtain a square (1086823089 = 329672).
The spelling of 1445358530 in words is "one billion, four hundred forty-five million, three hundred fifty-eight thousand, five hundred thirty".
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