Base | Representation |
---|---|
bin | 100100001100… |
… | …0110100111000 |
3 | 1022201002020220 |
4 | 1020120310320 |
5 | 14324213211 |
6 | 1514420040 |
7 | 320202531 |
oct | 110306470 |
9 | 38632226 |
10 | 18976056 |
11 | a790aa0 |
12 | 6431620 |
13 | 3c15348 |
14 | 273d688 |
15 | 19ec806 |
hex | 1218d38 |
18976056 has 32 divisors (see below), whose sum is σ = 51753600. Its totient is φ = 5750240.
The previous prime is 18976051. The next prime is 18976073. The reversal of 18976056 is 65067981.
It is a junction number, because it is equal to n+sod(n) for n = 18975999 and 18976017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18976051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35676 + ... + 36203.
It is an arithmetic number, because the mean of its divisors is an integer number (1617300).
Almost surely, 218976056 is an apocalyptic number.
It is an amenable number.
18976056 is an abundant number, since it is smaller than the sum of its proper divisors (32777544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18976056 is a wasteful number, since it uses less digits than its factorization.
18976056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71899 (or 71895 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 42.
The square root of 18976056 is about 4356.1515125165. The cubic root of 18976056 is about 266.7280261580.
It can be divided in two parts, 189 and 76056, that added together give a triangular number (76245 = T390).
The spelling of 18976056 in words is "eighteen million, nine hundred seventy-six thousand, fifty-six".
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