Base | Representation |
---|---|
bin | 1100011100001… |
… | …1101100100001 |
3 | 10122012002222000 |
4 | 3013003230201 |
5 | 101324304133 |
6 | 5102234213 |
7 | 1202352336 |
oct | 307035441 |
9 | 118162860 |
10 | 52181793 |
11 | 27500a54 |
12 | 15585969 |
13 | aa70501 |
14 | 6d0498d |
15 | 48ab413 |
hex | 31c3b21 |
52181793 has 16 divisors (see below), whose sum is σ = 77876160. Its totient is φ = 34531488.
The previous prime is 52181761. The next prime is 52181813. The reversal of 52181793 is 39718125.
It is not a de Polignac number, because 52181793 - 25 = 52181761 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (52181713) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3355 + ... + 10752.
It is an arithmetic number, because the mean of its divisors is an integer number (4867260).
Almost surely, 252181793 is an apocalyptic number.
It is an amenable number.
52181793 is a deficient number, since it is larger than the sum of its proper divisors (25694367).
52181793 is a wasteful number, since it uses less digits than its factorization.
52181793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14253 (or 14247 counting only the distinct ones).
The product of its digits is 15120, while the sum is 36.
The square root of 52181793 is about 7223.6966298426. The cubic root of 52181793 is about 373.6855741421.
The spelling of 52181793 in words is "fifty-two million, one hundred eighty-one thousand, seven hundred ninety-three".
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