Base | Representation |
---|---|
bin | 1000010011111… |
… | …1001100111001 |
3 | 2102121011111210 |
4 | 2010333030321 |
5 | 32411040011 |
6 | 3243113333 |
7 | 602215065 |
oct | 204771471 |
9 | 72534453 |
10 | 34861881 |
11 | 1875127a |
12 | b812849 |
13 | 72b7c42 |
14 | 48b6aa5 |
15 | 30d96a6 |
hex | 213f339 |
34861881 has 16 divisors (see below), whose sum is σ = 48134144. Its totient is φ = 22425984.
The previous prime is 34861873. The next prime is 34861889. The reversal of 34861881 is 18816843.
It is an interprime number because it is at equal distance from previous prime (34861873) and next prime (34861889).
It is not a de Polignac number, because 34861881 - 23 = 34861873 is a prime.
It is a super-2 number, since 2×348618812 = 2430701493716322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (34861889) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12861 + ... + 15333.
It is an arithmetic number, because the mean of its divisors is an integer number (3008384).
Almost surely, 234861881 is an apocalyptic number.
It is an amenable number.
34861881 is a deficient number, since it is larger than the sum of its proper divisors (13272263).
34861881 is a wasteful number, since it uses less digits than its factorization.
34861881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2640.
The product of its digits is 36864, while the sum is 39.
The square root of 34861881 is about 5904.3950579208. The cubic root of 34861881 is about 326.6757814801.
The spelling of 34861881 in words is "thirty-four million, eight hundred sixty-one thousand, eight hundred eighty-one".
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