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16872038 = 219444001
BaseRepresentation
bin100000001011…
…1001001100110
31011202012002022
41000113021212
513304401123
61401343142
7263260421
oct100271146
934665068
1016872038
119584237
125797ab2
133659771
1423529b8
1517341c8
hex1017266

16872038 has 8 divisors (see below), whose sum is σ = 26640120. Its totient is φ = 7992000.

The previous prime is 16872017. The next prime is 16872047. The reversal of 16872038 is 83027861.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16871989 and 16872007.

It is a congruent number.

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, 221963 + ... + 222038.

It is an arithmetic number, because the mean of its divisors is an integer number (3330015).

Almost surely, 216872038 is an apocalyptic number.

16872038 is a deficient number, since it is larger than the sum of its proper divisors (9768082).

16872038 is a wasteful number, since it uses less digits than its factorization.

16872038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444022.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 16872038 is about 4107.5586423081. The cubic root of 16872038 is about 256.4813838678.

Adding to 16872038 its reverse (83027861), we get a palindrome (99899899).

The spelling of 16872038 in words is "sixteen million, eight hundred seventy-two thousand, thirty-eight".

Divisors: 1 2 19 38 444001 888002 8436019 16872038