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18876038 = 237325303
BaseRepresentation
bin100100000000…
…0011010000110
31022112000001112
41020000122012
514313013123
61512325022
7316305116
oct110003206
938460045
1018876038
11a722935
1263a3772
133bab96c
142715046
1519ccd78
hex1200686

18876038 has 8 divisors (see below), whose sum is σ = 28391088. Its totient is φ = 9412344.

The previous prime is 18876019. The next prime is 18876041. The reversal of 18876038 is 83067881.

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

It is a junction number, because it is equal to n+sod(n) for n = 18875986 and 18876004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11906 + ... + 13397.

It is an arithmetic number, because the mean of its divisors is an integer number (3548886).

Almost surely, 218876038 is an apocalyptic number.

18876038 is a deficient number, since it is larger than the sum of its proper divisors (9515050).

18876038 is a wasteful number, since it uses less digits than its factorization.

18876038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25678.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 18876038 is about 4344.6562579795. The cubic root of 18876038 is about 266.2585817214.

The spelling of 18876038 in words is "eighteen million, eight hundred seventy-six thousand, thirty-eight".

Divisors: 1 2 373 746 25303 50606 9438019 18876038