Base | Representation |
---|---|
bin | 100011110101… |
… | …1001010111100 |
3 | 1022100120201211 |
4 | 1013223022330 |
5 | 14302222202 |
6 | 1510414204 |
7 | 315463402 |
oct | 107531274 |
9 | 38316654 |
10 | 18789052 |
11 | a673547 |
12 | 6361364 |
13 | 3b7b1a9 |
14 | 26d1472 |
15 | 19b21d7 |
hex | 11eb2bc |
18789052 has 12 divisors (see below), whose sum is σ = 33054336. Its totient is φ = 9344960.
The previous prime is 18789041. The next prime is 18789053. The reversal of 18789052 is 25098781.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 18788996 and 18789014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18789053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11533 + ... + 13060.
It is an arithmetic number, because the mean of its divisors is an integer number (2754528).
Almost surely, 218789052 is an apocalyptic number.
It is an amenable number.
18789052 is a deficient number, since it is larger than the sum of its proper divisors (14265284).
18789052 is a wasteful number, since it uses less digits than its factorization.
18789052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24788 (or 24786 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 40.
The square root of 18789052 is about 4334.6340099252. The cubic root of 18789052 is about 265.8489541391.
The spelling of 18789052 in words is "eighteen million, seven hundred eighty-nine thousand, fifty-two".
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