Base | Representation |
---|---|
bin | 1111010010111… |
… | …0110010000010 |
3 | 11110201101210000 |
4 | 3310232302002 |
5 | 112410423004 |
6 | 10211020430 |
7 | 1406210046 |
oct | 364566202 |
9 | 143641700 |
10 | 64154754 |
11 | 33239464 |
12 | 1959a716 |
13 | 103a30c1 |
14 | 8740026 |
15 | 5973c39 |
hex | 3d2ec82 |
64154754 has 60 divisors (see below), whose sum is σ = 151856694. Its totient is φ = 20240928.
The previous prime is 64154747. The next prime is 64154833. The reversal of 64154754 is 45745146.
64154754 is a `hidden beast` number, since 64 + 1 + 547 + 54 = 666.
64154754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 59213025 + 4941729 = 7695^2 + 2223^2 .
It is an unprimeable number.
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 29 ways as a sum of consecutive naturals, for example, 57934 + ... + 59030.
Almost surely, 264154754 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64154754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75928347).
64154754 is an abundant number, since it is smaller than the sum of its proper divisors (87701940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64154754 is a wasteful number, since it uses less digits than its factorization.
64154754 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1149 (or 1121 counting only the distinct ones).
The product of its digits is 67200, while the sum is 36.
The square root of 64154754 is about 8009.6662851832. Note that the first 3 decimals coincide. The cubic root of 64154754 is about 400.3221446541.
It can be divided in two parts, 641547 and 54, that added together give a square (641601 = 8012).
The spelling of 64154754 in words is "sixty-four million, one hundred fifty-four thousand, seven hundred fifty-four".
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