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18752116 = 2227117299
BaseRepresentation
bin100011110001…
…0001001110100
31022021201001211
41013202021310
514300031431
61505531204
7315250615
oct107421164
938251054
1018752116
11a648819
126343b04
133b67436
1426c1c0c
1519a62b1
hex11e2274

18752116 has 12 divisors (see below), whose sum is σ = 32939200. Its totient is φ = 9340920.

The previous prime is 18752113. The next prime is 18752131. The reversal of 18752116 is 61125781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18752113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7566 + ... + 9733.

Almost surely, 218752116 is an apocalyptic number.

It is an amenable number.

18752116 is a deficient number, since it is larger than the sum of its proper divisors (14187084).

18752116 is a wasteful number, since it uses less digits than its factorization.

18752116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17574 (or 17572 counting only the distinct ones).

The product of its digits is 3360, while the sum is 31.

The square root of 18752116 is about 4330.3713466630. The cubic root of 18752116 is about 265.6746356332.

Adding to 18752116 its reverse (61125781), we get a palindrome (79877897).

The spelling of 18752116 in words is "eighteen million, seven hundred fifty-two thousand, one hundred sixteen".

Divisors: 1 2 4 271 542 1084 17299 34598 69196 4688029 9376058 18752116