Base | Representation |
---|---|
bin | 1111011101111… |
… | …1110110100110 |
3 | 11112002020200101 |
4 | 3313133312212 |
5 | 113102130123 |
6 | 10234334314 |
7 | 1415320426 |
oct | 367376646 |
9 | 145066611 |
10 | 64880038 |
11 | 33694373 |
12 | 1988a39a |
13 | 10598272 |
14 | 888c486 |
15 | 5a68aad |
hex | 3ddfda6 |
64880038 has 8 divisors (see below), whose sum is σ = 97824888. Its totient is φ = 32271744.
The previous prime is 64879963. The next prime is 64880059. The reversal of 64880038 is 83008846.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 64879979 and 64880006.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83656 + ... + 84427.
It is an arithmetic number, because the mean of its divisors is an integer number (12228111).
Almost surely, 264880038 is an apocalyptic number.
64880038 is a deficient number, since it is larger than the sum of its proper divisors (32944850).
64880038 is a wasteful number, since it uses less digits than its factorization.
64880038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168278.
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 64880038 is about 8054.8145850789. The cubic root of 64880038 is about 401.8250726101.
The spelling of 64880038 in words is "sixty-four million, eight hundred eighty thousand, thirty-eight".
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