Base | Representation |
---|---|
bin | 101011000011100… |
… | …1101111001000101 |
3 | 10201200112000101120 |
4 | 1112013031321011 |
5 | 10424322414420 |
6 | 355205344153 |
7 | 50542011030 |
oct | 12607157105 |
9 | 3650460346 |
10 | 1444732485 |
11 | 681571999 |
12 | 343a08059 |
13 | 1a04113c1 |
14 | d9c38017 |
15 | 86c7dd40 |
hex | 561cde45 |
1444732485 has 16 divisors (see below), whose sum is σ = 2641796736. Its totient is φ = 660449088.
The previous prime is 1444732477. The next prime is 1444732489. The reversal of 1444732485 is 5842374441.
It is not a de Polignac number, because 1444732485 - 23 = 1444732477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1444732489) 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, 6879574 + ... + 6879783.
It is an arithmetic number, because the mean of its divisors is an integer number (165112296).
Almost surely, 21444732485 is an apocalyptic number.
1444732485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1444732485 is a deficient number, since it is larger than the sum of its proper divisors (1197064251).
1444732485 is a wasteful number, since it uses less digits than its factorization.
1444732485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13759372.
The product of its digits is 430080, while the sum is 42.
The square root of 1444732485 is about 38009.6367385956. The cubic root of 1444732485 is about 1130.4789483001.
The spelling of 1444732485 in words is "one billion, four hundred forty-four million, seven hundred thirty-two thousand, four hundred eighty-five".
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