Base | Representation |
---|---|
bin | 1100010111101… |
… | …1010000011101 |
3 | 10121122000221211 |
4 | 3011323100131 |
5 | 101240310320 |
6 | 5052024421 |
7 | 1200005320 |
oct | 305732035 |
9 | 117560854 |
10 | 51885085 |
11 | 2731903a |
12 | 15462111 |
13 | a998445 |
14 | 6c687b7 |
15 | 484d55a |
hex | 317b41d |
51885085 has 8 divisors (see below), whose sum is σ = 71156736. Its totient is φ = 35578320.
The previous prime is 51885083. The next prime is 51885151. The reversal of 51885085 is 58058815.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51885085 - 21 = 51885083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51885083) 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, 741181 + ... + 741250.
It is an arithmetic number, because the mean of its divisors is an integer number (8894592).
Almost surely, 251885085 is an apocalyptic number.
It is an amenable number.
51885085 is a deficient number, since it is larger than the sum of its proper divisors (19271651).
51885085 is a wasteful number, since it uses less digits than its factorization.
51885085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1482443.
The product of its (nonzero) digits is 64000, while the sum is 40.
The square root of 51885085 is about 7203.1302223408. The cubic root of 51885085 is about 372.9759632032.
The spelling of 51885085 in words is "fifty-one million, eight hundred eighty-five thousand, eighty-five".
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