Base | Representation |
---|---|
bin | 110010110110101… |
… | …101101000001101 |
3 | 2012110110020010111 |
4 | 302312231220031 |
5 | 3221410002334 |
6 | 220355040021 |
7 | 30100052446 |
oct | 6266555015 |
9 | 2173406114 |
10 | 853203469 |
11 | 3a867a438 |
12 | 1b98a0011 |
13 | 1079c0431 |
14 | 814582cd |
15 | 4ed86064 |
hex | 32dada0d |
853203469 has 12 divisors (see below), whose sum is σ = 897680476. Its totient is φ = 810830592.
The previous prime is 853203443. The next prime is 853203473. The reversal of 853203469 is 964302358.
It can be written as a sum of positive squares in 2 ways, for example, as 220077225 + 633126244 = 14835^2 + 25162^2 .
It is not a de Polignac number, because 853203469 - 221 = 851106317 is a prime.
It is a super-2 number, since 2×8532034692 = 1455912319027267922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (853203409) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77917 + ... + 88189.
Almost surely, 2853203469 is an apocalyptic number.
It is an amenable number.
853203469 is a deficient number, since it is larger than the sum of its proper divisors (44477007).
853203469 is a wasteful number, since it uses less digits than its factorization.
853203469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10476 (or 10453 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 40.
The square root of 853203469 is about 29209.6468482589. The cubic root of 853203469 is about 948.4567627586.
The spelling of 853203469 in words is "eight hundred fifty-three million, two hundred three thousand, four hundred sixty-nine".
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