Base | Representation |
---|---|
bin | 1111010010111… |
… | …0100011110010 |
3 | 11110201100112020 |
4 | 3310232203302 |
5 | 112410410332 |
6 | 10211012310 |
7 | 1406204304 |
oct | 364564362 |
9 | 143640466 |
10 | 64153842 |
11 | 33238805 |
12 | 1959a096 |
13 | 103a286c |
14 | 873d974 |
15 | 597382c |
hex | 3d2e8f2 |
64153842 has 16 divisors (see below), whose sum is σ = 135060960. Its totient is φ = 20259072.
The previous prime is 64153841. The next prime is 64153847. The reversal of 64153842 is 24835146.
It is not an unprimeable number, because it can be changed into a prime (64153841) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281263 + ... + 281490.
It is an arithmetic number, because the mean of its divisors is an integer number (8441310).
Almost surely, 264153842 is an apocalyptic number.
64153842 is an abundant number, since it is smaller than the sum of its proper divisors (70907118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64153842 is a wasteful number, since it uses less digits than its factorization.
64153842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 562777.
The product of its digits is 23040, while the sum is 33.
The square root of 64153842 is about 8009.6093537700. The cubic root of 64153842 is about 400.3202477018.
Adding to 64153842 its reverse (24835146), we get a palindrome (88988988).
The spelling of 64153842 in words is "sixty-four million, one hundred fifty-three thousand, eight hundred forty-two".
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