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18007033 = 1113911777
BaseRepresentation
bin100010010110…
…0001111111001
31020212212000011
41010230033321
514102211113
61441541521
7306025432
oct104541771
936785004
1018007033
11a189a50
1260448a1
133966265
14256a489
1518aa63d
hex112c3f9

18007033 has 8 divisors (see below), whose sum is σ = 19787040. Its totient is φ = 16250880.

The previous prime is 18007021. The next prime is 18007037. The reversal of 18007033 is 33070081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18007033 - 217 = 17875961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18006995 and 18007013.

It is not an unprimeable number, because it can be changed into a prime (18007037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4360 + ... + 7417.

It is an arithmetic number, because the mean of its divisors is an integer number (2473380).

Almost surely, 218007033 is an apocalyptic number.

It is an amenable number.

18007033 is a deficient number, since it is larger than the sum of its proper divisors (1780007).

18007033 is a wasteful number, since it uses less digits than its factorization.

18007033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11927.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 18007033 is about 4243.4694531715. The cubic root of 18007033 is about 262.1082677064.

The spelling of 18007033 in words is "eighteen million, seven thousand, thirty-three".

Divisors: 1 11 139 1529 11777 129547 1637003 18007033