Base | Representation |
---|---|
bin | 1111011110011… |
… | …1111111000101 |
3 | 11112010221101010 |
4 | 3313213333011 |
5 | 113104211344 |
6 | 10235152433 |
7 | 1415516514 |
oct | 367477705 |
9 | 145127333 |
10 | 64913349 |
11 | 337073a6 |
12 | 198a5719 |
13 | 105aa487 |
14 | 889a67b |
15 | 5a738b9 |
hex | 3de7fc5 |
64913349 has 8 divisors (see below), whose sum is σ = 89343232. Its totient is φ = 41879520.
The previous prime is 64913323. The next prime is 64913353. The reversal of 64913349 is 94331946.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64913349 - 213 = 64905157 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64913309) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 348904 + ... + 349089.
It is an arithmetic number, because the mean of its divisors is an integer number (11167904).
Almost surely, 264913349 is an apocalyptic number.
It is an amenable number.
64913349 is a deficient number, since it is larger than the sum of its proper divisors (24429883).
64913349 is a wasteful number, since it uses less digits than its factorization.
64913349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 698027.
The product of its digits is 69984, while the sum is 39.
The square root of 64913349 is about 8056.8820892452. The cubic root of 64913349 is about 401.8938297877.
The spelling of 64913349 in words is "sixty-four million, nine hundred thirteen thousand, three hundred forty-nine".
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