Base | Representation |
---|---|
bin | 1100001110010111… |
… | …1001000000000101 |
3 | 22110200200221220220 |
4 | 3003211321000011 |
5 | 23210030134200 |
6 | 1301341414553 |
7 | 144214130010 |
oct | 30345710005 |
9 | 8420627826 |
10 | 3281489925 |
11 | 1434351a4a |
12 | 776b6a459 |
13 | 403b0111c |
14 | 231b5c377 |
15 | 1431484a0 |
hex | c3979005 |
3281489925 has 96 divisors (see below), whose sum is σ = 6693857280. Its totient is φ = 1385260800.
The previous prime is 3281489839. The next prime is 3281489933. The reversal of 3281489925 is 5299841823.
It is not a de Polignac number, because 3281489925 - 27 = 3281489797 is a prime.
It is a super-2 number, since 2×32814899252 = 21536352255753011250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 345490 + ... + 354860.
It is an arithmetic number, because the mean of its divisors is an integer number (69727680).
Almost surely, 23281489925 is an apocalyptic number.
3281489925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3281489925 is an abundant number, since it is smaller than the sum of its proper divisors (3412367355).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3281489925 is a wasteful number, since it uses less digits than its factorization.
3281489925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9443 (or 9438 counting only the distinct ones).
The product of its digits is 1244160, while the sum is 51.
The square root of 3281489925 is about 57284.2903857593. The cubic root of 3281489925 is about 1486.0167056058.
The spelling of 3281489925 in words is "three billion, two hundred eighty-one million, four hundred eighty-nine thousand, nine hundred twenty-five".
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