Base | Representation |
---|---|
bin | 110001011110010… |
… | …000111111111011 |
3 | 2010211211021000001 |
4 | 301132100333323 |
5 | 3144441030111 |
6 | 214210053431 |
7 | 26366014120 |
oct | 6136207773 |
9 | 2124737001 |
10 | 830017531 |
11 | 396583502 |
12 | 1b1b7a277 |
13 | 102c62b45 |
14 | 7c340747 |
15 | 4cd061c1 |
hex | 31790ffb |
830017531 has 8 divisors (see below), whose sum is σ = 952664544. Its totient is φ = 708388800.
The previous prime is 830017493. The next prime is 830017541. The reversal of 830017531 is 135710038.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 830017531 - 27 = 830017403 is a prime.
It is a super-2 number, since 2×8300175312 = 1377858203534671922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 830017531.
It is not an unprimeable number, because it can be changed into a prime (830017541) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 252820 + ... + 256081.
It is an arithmetic number, because the mean of its divisors is an integer number (119083068).
Almost surely, 2830017531 is an apocalyptic number.
830017531 is a deficient number, since it is larger than the sum of its proper divisors (122647013).
830017531 is a wasteful number, since it uses less digits than its factorization.
830017531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 509141.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 830017531 is about 28810.0248351160. The cubic root of 830017531 is about 939.7862540258.
Adding to 830017531 its reverse (135710038), we get a palindrome (965727569).
The spelling of 830017531 in words is "eight hundred thirty million, seventeen thousand, five hundred thirty-one".
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