Base | Representation |
---|---|
bin | 1111011110111… |
… | …0111101111110 |
3 | 11112012101121102 |
4 | 3313232331332 |
5 | 113111120300 |
6 | 10235533102 |
7 | 1415666063 |
oct | 367567576 |
9 | 145171542 |
10 | 64941950 |
11 | 33726937 |
12 | 198ba192 |
13 | 105ba4b8 |
14 | 88a6c6a |
15 | 5a7c0d5 |
hex | 3deef7e |
64941950 has 48 divisors (see below), whose sum is σ = 125616960. Its totient is φ = 24960000.
The previous prime is 64941941. The next prime is 64941953. The reversal of 64941950 is 5914946.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64941953) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161750 + ... + 162150.
It is an arithmetic number, because the mean of its divisors is an integer number (2617020).
Almost surely, 264941950 is an apocalyptic number.
64941950 is a deficient number, since it is larger than the sum of its proper divisors (60675010).
64941950 is a wasteful number, since it uses less digits than its factorization.
64941950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 533 (or 528 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 38.
The square root of 64941950 is about 8058.6568359746. The cubic root of 64941950 is about 401.9528462963.
The spelling of 64941950 in words is "sixty-four million, nine hundred forty-one thousand, nine hundred fifty".
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