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18852844 = 2213734403
BaseRepresentation
bin100011111101…
…0101111101100
31022110211020111
41013322233230
514311242334
61512025404
7316150363
oct107725754
938424214
1018852844
11a70746a
126392264
133ba123a
14270a7da
1519c6064
hex11fabec

18852844 has 12 divisors (see below), whose sum is σ = 33234264. Its totient is φ = 9357344.

The previous prime is 18852839. The next prime is 18852859. The reversal of 18852844 is 44825881.

It is a junction number, because it is equal to n+sod(n) for n = 18852797 and 18852806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16654 + ... + 17749.

It is an arithmetic number, because the mean of its divisors is an integer number (2769522).

Almost surely, 218852844 is an apocalyptic number.

It is an amenable number.

18852844 is a deficient number, since it is larger than the sum of its proper divisors (14381420).

18852844 is a wasteful number, since it uses less digits than its factorization.

18852844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34544 (or 34542 counting only the distinct ones).

The product of its digits is 81920, while the sum is 40.

The square root of 18852844 is about 4341.9861814612. The cubic root of 18852844 is about 266.1494816249.

The spelling of 18852844 in words is "eighteen million, eight hundred fifty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 137 274 548 34403 68806 137612 4713211 9426422 18852844