Base | Representation |
---|---|
bin | 11101110011011110100100 |
3 | 112200221110102 |
4 | 131303132210 |
5 | 4000004103 |
6 | 435243232 |
7 | 123260336 |
oct | 35633644 |
9 | 15627412 |
10 | 7813028 |
11 | 4457053 |
12 | 2749518 |
13 | 18072c2 |
14 | 1075456 |
15 | a44e88 |
hex | 7737a4 |
7813028 has 24 divisors (see below), whose sum is σ = 14488320. Its totient is φ = 3676320.
The previous prime is 7813027. The next prime is 7813037. The reversal of 7813028 is 8203187.
It is a super-2 number, since 2×78130282 = 122086813057568, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7813027) 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, 16718 + ... + 17178.
It is an arithmetic number, because the mean of its divisors is an integer number (603680).
Almost surely, 27813028 is an apocalyptic number.
It is an amenable number.
7813028 is a deficient number, since it is larger than the sum of its proper divisors (6675292).
7813028 is a wasteful number, since it uses less digits than its factorization.
7813028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 707 (or 705 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 7813028 is about 2795.1794217903. The cubic root of 7813028 is about 198.4296015167.
The spelling of 7813028 in words is "seven million, eight hundred thirteen thousand, twenty-eight".
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