Base | Representation |
---|---|
bin | 11011001000000… |
… | …000000000000000 |
3 | 1011201022120010022 |
4 | 123020000000000 |
5 | 1413000110414 |
6 | 113053553012 |
7 | 14164063430 |
oct | 3310000000 |
9 | 1151276108 |
10 | 455081984 |
11 | 213977915 |
12 | 1084a5768 |
13 | 73388ba6 |
14 | 446222c0 |
15 | 29e4418e |
hex | 1b200000 |
455081984 has 88 divisors (see below), whose sum is σ = 1073741568. Its totient is φ = 188743680.
The previous prime is 455081983. The next prime is 455082013. The reversal of 455081984 is 489180554.
It is a super-2 number, since 2×4550819842 = 414199224322752512, which contains 22 as substring.
It is a nialpdrome in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (455081983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14680049 + ... + 14680079.
Almost surely, 2455081984 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 455081984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536870784).
455081984 is an abundant number, since it is smaller than the sum of its proper divisors (618659584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455081984 is an frugal number, since it uses more digits than its factorization.
455081984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80 (or 40 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 44.
The square root of 455081984 is about 21332.6506557437. The cubic root of 455081984 is about 769.1833608854.
The spelling of 455081984 in words is "four hundred fifty-five million, eighty-one thousand, nine hundred eighty-four".
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