Base | Representation |
---|---|
bin | 100011100010… |
… | …0000110011000 |
3 | 1022001110012120 |
4 | 1013010012120 |
5 | 14232112031 |
6 | 1503141240 |
7 | 314226000 |
oct | 107040630 |
9 | 38043176 |
10 | 18629016 |
11 | a57428a |
12 | 62a4820 |
13 | 3b233b3 |
14 | 268d000 |
15 | 197ea96 |
hex | 11c4198 |
18629016 has 128 divisors (see below), whose sum is σ = 56832000. Its totient is φ = 5080320.
The previous prime is 18629003. The next prime is 18629027. The reversal of 18629016 is 61092681.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255156 + ... + 255228.
It is an arithmetic number, because the mean of its divisors is an integer number (444000).
Almost surely, 218629016 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18629016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28416000).
18629016 is an abundant number, since it is smaller than the sum of its proper divisors (38202984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18629016 is a wasteful number, since it uses less digits than its factorization.
18629016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134 (or 116 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 18629016 is about 4316.1343815966. The cubic root of 18629016 is about 265.0920102947.
It can be divided in two parts, 1862 and 9016, that added together give a triangular number (10878 = T147).
The spelling of 18629016 in words is "eighteen million, six hundred twenty-nine thousand, sixteen".
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