Base | Representation |
---|---|
bin | 111011001000… |
… | …0100111001010 |
3 | 2011100000102110 |
4 | 1312100213022 |
5 | 30414013114 |
6 | 3024243150 |
7 | 524335011 |
oct | 166204712 |
9 | 64300373 |
10 | 31001034 |
11 | 16554599 |
12 | a4704b6 |
13 | 656580c |
14 | 418da78 |
15 | 2ac5759 |
hex | 1d909ca |
31001034 has 24 divisors (see below), whose sum is σ = 62995968. Its totient is φ = 10170600.
The previous prime is 31000999. The next prime is 31001039. The reversal of 31001034 is 43010013.
It is a super-2 number, since 2×310010342 = 1922128218138312, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31001039) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26359 + ... + 27509.
It is an arithmetic number, because the mean of its divisors is an integer number (2624832).
Almost surely, 231001034 is an apocalyptic number.
31001034 is an abundant number, since it is smaller than the sum of its proper divisors (31994934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31001034 is a wasteful number, since it uses less digits than its factorization.
31001034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1290 (or 1223 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 31001034 is about 5567.8572179969. The cubic root of 31001034 is about 314.1415578751.
Adding to 31001034 its reverse (43010013), we get a palindrome (74011047).
The spelling of 31001034 in words is "thirty-one million, one thousand, thirty-four".
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