Base | Representation |
---|---|
bin | 1101100101110000… |
… | …0001000000011001 |
3 | 100102020100121021001 |
4 | 3121130001000121 |
5 | 24432342000100 |
6 | 1401553145001 |
7 | 156254326405 |
oct | 33134010031 |
9 | 10366317231 |
10 | 3648000025 |
11 | 160222345a |
12 | 85985b161 |
13 | 461a180c7 |
14 | 2686c6105 |
15 | 1653e3d6a |
hex | d9701019 |
3648000025 has 12 divisors (see below), whose sum is σ = 4524796332. Its totient is φ = 2917576640.
The previous prime is 3648000023. The next prime is 3648000043. The reversal of 3648000025 is 5200008463.
It can be written as a sum of positive squares in 6 ways, for example, as 573075721 + 3074924304 = 23939^2 + 55452^2 .
It is not a de Polignac number, because 3648000025 - 21 = 3648000023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3647999957 and 3648000002.
It is not an unprimeable number, because it can be changed into a prime (3648000023) 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, 79299 + ... + 116551.
It is an arithmetic number, because the mean of its divisors is an integer number (377066361).
Almost surely, 23648000025 is an apocalyptic number.
It is an amenable number.
3648000025 is a deficient number, since it is larger than the sum of its proper divisors (876796307).
3648000025 is a wasteful number, since it uses less digits than its factorization.
3648000025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41180 (or 41175 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 3648000025 is about 60398.6756891242. The cubic root of 3648000025 is about 1539.4004560273.
Adding to 3648000025 its reverse (5200008463), we get a palindrome (8848008488).
The spelling of 3648000025 in words is "three billion, six hundred forty-eight million, twenty-five", and thus it is an aban number.
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