Base | Representation |
---|---|
bin | 11100010011111… |
… | …110110110100111 |
3 | 1020002210111211011 |
4 | 130103332312213 |
5 | 1433100001411 |
6 | 115044523051 |
7 | 14525302216 |
oct | 3423766647 |
9 | 1202714734 |
10 | 475000231 |
11 | 224141782 |
12 | 1130b0487 |
13 | 77541034 |
14 | 4712907d |
15 | 2ba7ac21 |
hex | 1c4feda7 |
475000231 has 4 divisors (see below), whose sum is σ = 486046792. Its totient is φ = 463953672.
The previous prime is 475000217. The next prime is 475000237. The reversal of 475000231 is 132000574.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132000574 = 2 ⋅66000287.
It is a cyclic number.
It is not a de Polignac number, because 475000231 - 25 = 475000199 is a prime.
It is a super-2 number, since 2×4750002312 = 451250438900106722, which contains 22 as substring.
It is the 21795-th Hogben number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (475000237) by changing a digit.
It is a nontrivial repunit in base 21794.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5523216 + ... + 5523301.
It is an arithmetic number, because the mean of its divisors is an integer number (121511698).
Almost surely, 2475000231 is an apocalyptic number.
475000231 is a deficient number, since it is larger than the sum of its proper divisors (11046561).
475000231 is a wasteful number, since it uses less digits than its factorization.
475000231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11046560.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 475000231 is about 21794.5000172062. The cubic root of 475000231 is about 780.2455018358.
The spelling of 475000231 in words is "four hundred seventy-five million, two hundred thirty-one", and thus it is an aban number.
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