Base | Representation |
---|---|
bin | 110000000000100… |
… | …011110011001101 |
3 | 2002010121020210210 |
4 | 300000203303031 |
5 | 3122143444010 |
6 | 211531353033 |
7 | 25650144330 |
oct | 6000436315 |
9 | 2063536723 |
10 | 805453005 |
11 | 383725845 |
12 | 1a58b2779 |
13 | cab41c16 |
14 | 78d88617 |
15 | 4aaa2b20 |
hex | 30023ccd |
805453005 has 32 divisors (see below), whose sum is σ = 1520345088. Its totient is φ = 356328000.
The previous prime is 805452971. The next prime is 805453027. The reversal of 805453005 is 500354508.
It is not a de Polignac number, because 805453005 - 220 = 804404429 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120471 + ... + 126980.
It is an arithmetic number, because the mean of its divisors is an integer number (47510784).
Almost surely, 2805453005 is an apocalyptic number.
It is an amenable number.
805453005 is a deficient number, since it is larger than the sum of its proper divisors (714892083).
805453005 is a wasteful number, since it uses less digits than its factorization.
805453005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247497.
The product of its (nonzero) digits is 12000, while the sum is 30.
The square root of 805453005 is about 28380.5039595847. The cubic root of 805453005 is about 930.4222097261.
The spelling of 805453005 in words is "eight hundred five million, four hundred fifty-three thousand, five".
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