Base | Representation |
---|---|
bin | 10111111000100… |
… | …00011101010111 |
3 | 111221222121021011 |
4 | 23330100131113 |
5 | 402242023211 |
6 | 31514033051 |
7 | 4651623316 |
oct | 1374203527 |
9 | 457877234 |
10 | 200345431 |
11 | a30a9540 |
12 | 57118787 |
13 | 326785c0 |
14 | 1c87227d |
15 | 128c6921 |
hex | bf10757 |
200345431 has 8 divisors (see below), whose sum is σ = 235371024. Its totient is φ = 168121920.
The previous prime is 200345423. The next prime is 200345473. The reversal of 200345431 is 134543002.
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 200345431 - 23 = 200345423 is a prime.
It is a super-2 number, since 2×2003454312 = 80276583445151522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200345231) 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, 700366 + ... + 700651.
It is an arithmetic number, because the mean of its divisors is an integer number (29421378).
Almost surely, 2200345431 is an apocalyptic number.
200345431 is a deficient number, since it is larger than the sum of its proper divisors (35025593).
200345431 is a wasteful number, since it uses less digits than its factorization.
200345431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1401041.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 200345431 is about 14154.3431850439. The cubic root of 200345431 is about 585.1400361181.
Adding to 200345431 its reverse (134543002), we get a palindrome (334888433).
The spelling of 200345431 in words is "two hundred million, three hundred forty-five thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •