Base | Representation |
---|---|
bin | 1000010001001… |
… | …1001001010111 |
3 | 2102020222222110 |
4 | 2010103021113 |
5 | 32334301211 |
6 | 3235202103 |
7 | 600534021 |
oct | 204231127 |
9 | 72228873 |
10 | 34681431 |
11 | 18638744 |
12 | b746333 |
13 | 7253a75 |
14 | 486b011 |
15 | 30a0ea6 |
hex | 2113257 |
34681431 has 8 divisors (see below), whose sum is σ = 46761840. Its totient is φ = 22860992.
The previous prime is 34681421. The next prime is 34681433. The reversal of 34681431 is 13418643.
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 34681431 - 25 = 34681399 is a prime.
It is a super-2 number, since 2×346814312 = 2405603312415522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34681433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64680 + ... + 65213.
It is an arithmetic number, because the mean of its divisors is an integer number (5845230).
Almost surely, 234681431 is an apocalyptic number.
34681431 is a deficient number, since it is larger than the sum of its proper divisors (12080409).
34681431 is a wasteful number, since it uses less digits than its factorization.
34681431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129985.
The product of its digits is 6912, while the sum is 30.
The square root of 34681431 is about 5889.0942427507. The cubic root of 34681431 is about 326.1111662482. Note that the first 4 decimals are identical.
The spelling of 34681431 in words is "thirty-four million, six hundred eighty-one thousand, four hundred thirty-one".
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