Base | Representation |
---|---|
bin | 1111011101010… |
… | …1010111010010 |
3 | 11112000001202010 |
4 | 3313111113102 |
5 | 113044241244 |
6 | 10233403350 |
7 | 1415051241 |
oct | 367252722 |
9 | 145001663 |
10 | 64837074 |
11 | 33665065 |
12 | 19869556 |
13 | 10581843 |
14 | 887a958 |
15 | 5a5aeb9 |
hex | 3dd55d2 |
64837074 has 8 divisors (see below), whose sum is σ = 129674160. Its totient is φ = 21612356.
The previous prime is 64837049. The next prime is 64837079. The reversal of 64837074 is 47073846.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
64837074 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (64837079) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5403084 + ... + 5403095.
It is an arithmetic number, because the mean of its divisors is an integer number (16209270).
Almost surely, 264837074 is an apocalyptic number.
64837074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64837074 is a wasteful number, since it uses less digits than its factorization.
64837074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10806184.
The product of its (nonzero) digits is 112896, while the sum is 39.
The square root of 64837074 is about 8052.1471670605. The cubic root of 64837074 is about 401.7363559306.
The spelling of 64837074 in words is "sixty-four million, eight hundred thirty-seven thousand, seventy-four".
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