Base | Representation |
---|---|
bin | 1000010001000… |
… | …01110011101001 |
3 | 11211111001202102 |
4 | 10020201303221 |
5 | 120223010424 |
6 | 10514143145 |
7 | 1501263344 |
oct | 410416351 |
9 | 154431672 |
10 | 69344489 |
11 | 361635a5 |
12 | 1b281ab5 |
13 | 1149c356 |
14 | 92d145b |
15 | 614b7ae |
hex | 4221ce9 |
69344489 has 8 divisors (see below), whose sum is σ = 73328640. Its totient is φ = 65469600.
The previous prime is 69344449. The next prime is 69344491. The reversal of 69344489 is 98444396.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 69344489 - 216 = 69278953 is a prime.
It is a super-2 number, since 2×693444892 = 9617316309342242, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (69344419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26009 + ... + 28550.
It is an arithmetic number, because the mean of its divisors is an integer number (9166080).
Almost surely, 269344489 is an apocalyptic number.
It is an amenable number.
69344489 is a deficient number, since it is larger than the sum of its proper divisors (3984151).
69344489 is a wasteful number, since it uses less digits than its factorization.
69344489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54631.
The product of its digits is 746496, while the sum is 47.
The square root of 69344489 is about 8327.3338470365. Note that the first 3 decimals coincide. The cubic root of 69344489 is about 410.8380419687.
The spelling of 69344489 in words is "sixty-nine million, three hundred forty-four thousand, four hundred eighty-nine".
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