Base | Representation |
---|---|
bin | 11011000111001… |
… | …111001001000000 |
3 | 1011200221101121011 |
4 | 123013033021000 |
5 | 1412422204411 |
6 | 113045410304 |
7 | 14162301112 |
oct | 3307171100 |
9 | 1150841534 |
10 | 454881856 |
11 | 213850520 |
12 | 108409994 |
13 | 73318a80 |
14 | 445ad3b2 |
15 | 29e04c21 |
hex | 1b1cf240 |
454881856 has 112 divisors (see below), whose sum is σ = 1107082368. Its totient is φ = 182476800.
The previous prime is 454881853. The next prime is 454881919. The reversal of 454881856 is 658188454.
It is not an unprimeable number, because it can be changed into a prime (454881851) 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, 209416 + ... + 211576.
It is an arithmetic number, because the mean of its divisors is an integer number (9884664).
Almost surely, 2454881856 is an apocalyptic number.
454881856 is a gapful number since it is divisible by the number (46) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 454881856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553541184).
454881856 is an abundant number, since it is smaller than the sum of its proper divisors (652200512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454881856 is a wasteful number, since it uses less digits than its factorization.
454881856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2220 (or 2210 counting only the distinct ones).
The product of its digits is 1228800, while the sum is 49.
The square root of 454881856 is about 21327.9594898340. The cubic root of 454881856 is about 769.0705916823.
The spelling of 454881856 in words is "four hundred fifty-four million, eight hundred eighty-one thousand, eight hundred fifty-six".
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