Base | Representation |
---|---|
bin | 1010110101100… |
… | …1010101001100 |
3 | 10011112100002020 |
4 | 2231121111030 |
5 | 43114022133 |
6 | 4302130140 |
7 | 1061233620 |
oct | 255312514 |
9 | 104470066 |
10 | 45454668 |
11 | 23726846 |
12 | 13280950 |
13 | 955656c |
14 | 6073180 |
15 | 3ecd0b3 |
hex | 2b5954c |
45454668 has 96 divisors (see below), whose sum is σ = 129830400. Its totient is φ = 12082176.
The previous prime is 45454667. The next prime is 45454679. The reversal of 45454668 is 86645454.
45454668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×454546682 = 4132253685980448, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (45454663) 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 31 ways as a sum of consecutive naturals, for example, 198378 + ... + 198606.
It is an arithmetic number, because the mean of its divisors is an integer number (1352400).
Almost surely, 245454668 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 45454668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64915200).
45454668 is an abundant number, since it is smaller than the sum of its proper divisors (84375732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45454668 is a wasteful number, since it uses less digits than its factorization.
45454668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 399 (or 397 counting only the distinct ones).
The product of its digits is 460800, while the sum is 42.
The square root of 45454668 is about 6742.0077128404. The cubic root of 45454668 is about 356.8832484703.
The spelling of 45454668 in words is "forty-five million, four hundred fifty-four thousand, six hundred sixty-eight".
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