Base | Representation |
---|---|
bin | 1100111000110… |
… | …00001011110100 |
3 | 21112102011121011 |
4 | 12130120023310 |
5 | 210133234023 |
6 | 14421002004 |
7 | 2451566212 |
oct | 634301364 |
9 | 245364534 |
10 | 108102388 |
11 | 56025a19 |
12 | 30253304 |
13 | 1951c714 |
14 | 104ddcb2 |
15 | 975550d |
hex | 67182f4 |
108102388 has 24 divisors (see below), whose sum is σ = 201369672. Its totient is φ = 50601984.
The previous prime is 108102383. The next prime is 108102403. The reversal of 108102388 is 883201801.
It can be written as a sum of positive squares in 4 ways, for example, as 22391824 + 85710564 = 4732^2 + 9258^2 .
It is a super-2 number, since 2×1081023882 = 23372252582605088, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108102383) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 9006 + ... + 17242.
It is an arithmetic number, because the mean of its divisors is an integer number (8390403).
Almost surely, 2108102388 is an apocalyptic number.
It is an amenable number.
108102388 is a deficient number, since it is larger than the sum of its proper divisors (93267284).
108102388 is a wasteful number, since it uses less digits than its factorization.
108102388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8451 (or 8449 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 31.
The square root of 108102388 is about 10397.2298233712. The cubic root of 108102388 is about 476.3707595573.
The spelling of 108102388 in words is "one hundred eight million, one hundred two thousand, three hundred eighty-eight".
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