Base | Representation |
---|---|
bin | 110001110001110… |
… | …100110101000111 |
3 | 2011012110202121110 |
4 | 301301310311013 |
5 | 3202244120111 |
6 | 214512020103 |
7 | 26460421110 |
oct | 6161646507 |
9 | 2135422543 |
10 | 835145031 |
11 | 399465906 |
12 | 1b3831633 |
13 | 104039976 |
14 | 7ccb7207 |
15 | 4d4ba5a6 |
hex | 31c74d47 |
835145031 has 32 divisors (see below), whose sum is σ = 1309690368. Its totient is φ = 463426560.
The previous prime is 835144993. The next prime is 835145089. The reversal of 835145031 is 130541538.
It is not a de Polignac number, because 835145031 - 26 = 835144967 is a prime.
It is a super-2 number, since 2×8351450312 = 1394934445607981922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 835145031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (835145131) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193311 + ... + 197583.
It is an arithmetic number, because the mean of its divisors is an integer number (40927824).
Almost surely, 2835145031 is an apocalyptic number.
835145031 is a deficient number, since it is larger than the sum of its proper divisors (474545337).
835145031 is a wasteful number, since it uses less digits than its factorization.
835145031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4551.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 835145031 is about 28898.8759469984. The cubic root of 835145031 is about 941.7174843939.
Adding to 835145031 its reverse (130541538), we get a palindrome (965686569).
The spelling of 835145031 in words is "eight hundred thirty-five million, one hundred forty-five thousand, thirty-one".
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