Base | Representation |
---|---|
bin | 100100111101100… |
… | …001111010011101 |
3 | 1121012211211021101 |
4 | 210331201322131 |
5 | 2232222000334 |
6 | 141311033101 |
7 | 21236562220 |
oct | 4475417235 |
9 | 1535754241 |
10 | 620109469 |
11 | 299043471 |
12 | 15380b791 |
13 | 9b619aa5 |
14 | 5c4dd5b7 |
15 | 39691214 |
hex | 24f61e9d |
620109469 has 8 divisors (see below), whose sum is σ = 720315008. Its totient is φ = 522808560.
The previous prime is 620109467. The next prime is 620109481. The reversal of 620109469 is 964901026.
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 620109469 - 21 = 620109467 is a prime.
It is a super-2 number, since 2×6201094692 = 769071507086923922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (620109467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725697 + ... + 726550.
It is an arithmetic number, because the mean of its divisors is an integer number (90039376).
Almost surely, 2620109469 is an apocalyptic number.
It is an amenable number.
620109469 is a deficient number, since it is larger than the sum of its proper divisors (100205539).
620109469 is a wasteful number, since it uses less digits than its factorization.
620109469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1452315.
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 620109469 is about 24901.9972893742. The cubic root of 620109469 is about 852.7520805491.
The spelling of 620109469 in words is "six hundred twenty million, one hundred nine thousand, four hundred sixty-nine".
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