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38648814 = 2341157109
BaseRepresentation
bin1001001101101…
…1101111101110
32200201120012120
42103123233232
534343230224
63500213410
7646336521
oct223335756
980646176
1038648814
111a8a8476
1210b3a266
138012829
1451c0bb8
1535d6779
hex24dbbee

38648814 has 16 divisors (see below), whose sum is σ = 79183440. Its totient is φ = 12568640.

The previous prime is 38648791. The next prime is 38648821. The reversal of 38648814 is 41884683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78309 + ... + 78800.

It is an arithmetic number, because the mean of its divisors is an integer number (4948965).

Almost surely, 238648814 is an apocalyptic number.

38648814 is an abundant number, since it is smaller than the sum of its proper divisors (40534626).

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

38648814 is a wasteful number, since it uses less digits than its factorization.

38648814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157155.

The product of its digits is 147456, while the sum is 42.

The square root of 38648814 is about 6216.8170312468. The cubic root of 38648814 is about 338.1001710499.

The spelling of 38648814 in words is "thirty-eight million, six hundred forty-eight thousand, eight hundred fourteen".

Divisors: 1 2 3 6 41 82 123 246 157109 314218 471327 942654 6441469 12882938 19324407 38648814