Base | Representation |
---|---|
bin | 1111011111101… |
… | …0010001000110 |
3 | 11112021202002111 |
4 | 3313322101012 |
5 | 113114110410 |
6 | 10240531234 |
7 | 1416251026 |
oct | 367722106 |
9 | 145252074 |
10 | 64988230 |
11 | 3375868a |
12 | 19920b1a |
13 | 10605598 |
14 | 88b9a86 |
15 | 5a8ab8a |
hex | 3dfa446 |
64988230 has 8 divisors (see below), whose sum is σ = 116978832. Its totient is φ = 25995288.
The previous prime is 64988219. The next prime is 64988233. The reversal of 64988230 is 3288946.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64988233) 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, 3249402 + ... + 3249421.
It is an arithmetic number, because the mean of its divisors is an integer number (14622354).
Almost surely, 264988230 is an apocalyptic number.
64988230 is a deficient number, since it is larger than the sum of its proper divisors (51990602).
64988230 is a wasteful number, since it uses less digits than its factorization.
64988230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6498830.
The product of its (nonzero) digits is 82944, while the sum is 40.
The square root of 64988230 is about 8061.5277708385. The cubic root of 64988230 is about 402.0483057056.
The spelling of 64988230 in words is "sixty-four million, nine hundred eighty-eight thousand, two hundred thirty".
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