Base | Representation |
---|---|
bin | 111011001100… |
… | …0110111100010 |
3 | 2011101201210220 |
4 | 1312120313202 |
5 | 30421103400 |
6 | 3025103510 |
7 | 524535420 |
oct | 166306742 |
9 | 64351726 |
10 | 31034850 |
11 | 16577a40 |
12 | a487b96 |
13 | 6578022 |
14 | 419c110 |
15 | 2ad07a0 |
hex | 1d98de2 |
31034850 has 96 divisors (see below), whose sum is σ = 95993856. Its totient is φ = 6446400.
The previous prime is 31034849. The next prime is 31034851. The reversal of 31034850 is 5843013.
It is an interprime number because it is at equal distance from previous prime (31034849) and next prime (31034851).
It is a self number, because there is not a number n which added to its sum of digits gives 31034850.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31034851) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10207 + ... + 12893.
It is an arithmetic number, because the mean of its divisors is an integer number (999936).
Almost surely, 231034850 is an apocalyptic number.
31034850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 31034850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47996928).
31034850 is an abundant number, since it is smaller than the sum of its proper divisors (64959006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31034850 is a wasteful number, since it uses less digits than its factorization.
31034850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2720 (or 2715 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 31034850 is about 5570.8931061366. The cubic root of 31034850 is about 314.2557384831.
Adding to 31034850 its reverse (5843013), we get a palindrome (36877863).
The spelling of 31034850 in words is "thirty-one million, thirty-four thousand, eight hundred fifty".
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