Base | Representation |
---|---|
bin | 1101100101100… |
… | …0100000000101 |
3 | 10222020011112222 |
4 | 3121120200011 |
5 | 104042014410 |
6 | 5353222125 |
7 | 1261240535 |
oct | 331304005 |
9 | 128204488 |
10 | 56985605 |
11 | 2a192146 |
12 | 17101945 |
13 | ba62bc1 |
14 | 77d54c5 |
15 | 5009955 |
hex | 3658805 |
56985605 has 8 divisors (see below), whose sum is σ = 71356032. Its totient is φ = 43606288.
The previous prime is 56985601. The next prime is 56985629. The reversal of 56985605 is 50658965.
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 56985605 - 22 = 56985601 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56985601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247649 + ... + 247878.
It is an arithmetic number, because the mean of its divisors is an integer number (8919504).
Almost surely, 256985605 is an apocalyptic number.
It is an amenable number.
56985605 is a deficient number, since it is larger than the sum of its proper divisors (14370427).
56985605 is a wasteful number, since it uses less digits than its factorization.
56985605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495555.
The product of its (nonzero) digits is 324000, while the sum is 44.
The square root of 56985605 is about 7548.8810429096. The cubic root of 56985605 is about 384.8177132224.
The spelling of 56985605 in words is "fifty-six million, nine hundred eighty-five thousand, six hundred five".
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