Base | Representation |
---|---|
bin | 11111001000001100011110 |
3 | 120100120110100 |
4 | 133020030132 |
5 | 4042110110 |
6 | 450521530 |
7 | 126234114 |
oct | 37101436 |
9 | 16316410 |
10 | 8160030 |
11 | 467382a |
12 | 28962a6 |
13 | 18c9228 |
14 | 1125ab4 |
15 | ab2bc0 |
hex | 7c831e |
8160030 has 48 divisors (see below), whose sum is σ = 21531744. Its totient is φ = 2143680.
The previous prime is 8160011. The next prime is 8160041. The reversal of 8160030 is 300618.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 8159985 and 8160012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5752 + ... + 7028.
It is an arithmetic number, because the mean of its divisors is an integer number (448578).
Almost surely, 28160030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8160030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10765872).
8160030 is an abundant number, since it is smaller than the sum of its proper divisors (13371714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8160030 is a wasteful number, since it uses less digits than its factorization.
8160030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1361 (or 1358 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 8160030 is about 2856.5766224626. The cubic root of 8160030 is about 201.3247886330.
Adding to 8160030 its reverse (300618), we get a palindrome (8460648).
The spelling of 8160030 in words is "eight million, one hundred sixty thousand, thirty".
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