Base | Representation |
---|---|
bin | 101011000100010… |
… | …1111000010100001 |
3 | 10201201021020020012 |
4 | 1112020233002201 |
5 | 10424423133101 |
6 | 355222054305 |
7 | 50545256111 |
oct | 12610570241 |
9 | 3651236205 |
10 | 1445130401 |
11 | 681813950 |
12 | 343b7a395 |
13 | 1a0520560 |
14 | d9cdd041 |
15 | 86d0bbbb |
hex | 5622f0a1 |
1445130401 has 16 divisors (see below), whose sum is σ = 1698859008. Its totient is φ = 1211923200.
The previous prime is 1445130397. The next prime is 1445130409. The reversal of 1445130401 is 1040315441.
It is a cyclic number.
It is not a de Polignac number, because 1445130401 - 22 = 1445130397 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1445130409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382361 + ... + 386121.
It is an arithmetic number, because the mean of its divisors is an integer number (106178688).
Almost surely, 21445130401 is an apocalyptic number.
1445130401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1445130401 is a deficient number, since it is larger than the sum of its proper divisors (253728607).
1445130401 is a wasteful number, since it uses less digits than its factorization.
1445130401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6472.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 1445130401 is about 38014.8707876273. The cubic root of 1445130401 is about 1130.5827263059.
Adding to 1445130401 its reverse (1040315441), we get a palindrome (2485445842).
The spelling of 1445130401 in words is "one billion, four hundred forty-five million, one hundred thirty thousand, four hundred one".
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