Base | Representation |
---|---|
bin | 1111011011010… |
… | …1000110110100 |
3 | 11111202100111120 |
4 | 3312311012310 |
5 | 113031024243 |
6 | 10230503540 |
7 | 1413661110 |
oct | 366650664 |
9 | 144670446 |
10 | 64704948 |
11 | 33584870 |
12 | 19804bb0 |
13 | 10536669 |
14 | 8844740 |
15 | 5a31c83 |
hex | 3db51b4 |
64704948 has 96 divisors (see below), whose sum is σ = 189665280. Its totient is φ = 16679040.
The previous prime is 64704931. The next prime is 64704953. The reversal of 64704948 is 84940746.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220690 + ... + 220982.
It is an arithmetic number, because the mean of its divisors is an integer number (1975680).
Almost surely, 264704948 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 64704948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94832640).
64704948 is an abundant number, since it is smaller than the sum of its proper divisors (124960332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64704948 is a wasteful number, since it uses less digits than its factorization.
64704948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 557 (or 555 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 64704948 is about 8043.9385875329. The cubic root of 64704948 is about 401.4632821526.
The spelling of 64704948 in words is "sixty-four million, seven hundred four thousand, nine hundred forty-eight".
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