Base | Representation |
---|---|
bin | 1000001011100… |
… | …0111101011111 |
3 | 2101120020020222 |
4 | 2002320331133 |
5 | 32240441111 |
6 | 3223231555 |
7 | 564435035 |
oct | 202707537 |
9 | 71506228 |
10 | 34312031 |
11 | 18406156 |
12 | b5a85bb |
13 | 71548a0 |
14 | 47b2555 |
15 | 302b7db |
hex | 20b8f5f |
34312031 has 8 divisors (see below), whose sum is σ = 36996960. Its totient is φ = 31633632.
The previous prime is 34312027. The next prime is 34312049. The reversal of 34312031 is 13021343.
It is a happy number.
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 34312031 - 22 = 34312027 is a prime.
It is a super-2 number, since 2×343120312 = 2354630942689922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34312051) 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, 19421 + ... + 21113.
It is an arithmetic number, because the mean of its divisors is an integer number (4624620).
Almost surely, 234312031 is an apocalyptic number.
34312031 is a deficient number, since it is larger than the sum of its proper divisors (2684929).
34312031 is a wasteful number, since it uses less digits than its factorization.
34312031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3265.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 34312031 is about 5857.6472239287. The cubic root of 34312031 is about 324.9492023171.
Adding to 34312031 its reverse (13021343), we get a palindrome (47333374).
The spelling of 34312031 in words is "thirty-four million, three hundred twelve thousand, thirty-one".
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