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3818838 = 23636473
BaseRepresentation
bin1110100100010101010110
321012000110110
432210111112
51434200323
6213503450
744313432
oct16442526
97160413
103818838
112179171
121341b86
13a3928a
147159c2
15506793
hex3a4556

3818838 has 8 divisors (see below), whose sum is σ = 7637688. Its totient is φ = 1272944.

The previous prime is 3818831. The next prime is 3818839. The reversal of 3818838 is 8388183.

3818838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3818838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3818796 and 3818805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818831) 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, 318231 + ... + 318242.

It is an arithmetic number, because the mean of its divisors is an integer number (954711).

Almost surely, 23818838 is an apocalyptic number.

3818838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3818838 is a wasteful number, since it uses less digits than its factorization.

3818838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636478.

The product of its digits is 36864, while the sum is 39.

The square root of 3818838 is about 1954.1847404992. The cubic root of 3818838 is about 156.3065143834.

It can be divided in two parts, 38188 and 38, that added together give a triangular number (38226 = T276).

The spelling of 3818838 in words is "three million, eight hundred eighteen thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 636473 1272946 1909419 3818838