Base | Representation |
---|---|
bin | 100100000000… |
… | …0101001000100 |
3 | 1022112001101000 |
4 | 1020000221010 |
5 | 14313030441 |
6 | 1512333300 |
7 | 316310655 |
oct | 110005104 |
9 | 38461330 |
10 | 18876996 |
11 | a723626 |
12 | 63a4230 |
13 | 3bac228 |
14 | 271552c |
15 | 19cd2b6 |
hex | 1200a44 |
18876996 has 48 divisors (see below), whose sum is σ = 49194880. Its totient is φ = 6259680.
The previous prime is 18876967. The next prime is 18877007. The reversal of 18876996 is 69967881.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29601 + ... + 30231.
Almost surely, 218876996 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 18876996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24597440).
18876996 is an abundant number, since it is smaller than the sum of its proper divisors (30317884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18876996 is a wasteful number, since it uses less digits than its factorization.
18876996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 921 (or 913 counting only the distinct ones).
The product of its digits is 1306368, while the sum is 54.
The square root of 18876996 is about 4344.7665069598. The cubic root of 18876996 is about 266.2630860460.
The spelling of 18876996 in words is "eighteen million, eight hundred seventy-six thousand, nine hundred ninety-six".
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