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38401378 = 242834483
BaseRepresentation
bin1001001001111…
…1010101100010
32200020222210021
42102133111202
534312321003
63451024054
7644256241
oct222372542
980228707
1038401378
111a749584
1210a3b02a
137c57012
145158958
1535882bd
hex249f562

38401378 has 8 divisors (see below), whose sum is σ = 57628368. Its totient is φ = 19191924.

The previous prime is 38401373. The next prime is 38401381. The reversal of 38401378 is 87310483.

38401378 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.

It is not an unprimeable number, because it can be changed into a prime (38401373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6325 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (7203546).

Almost surely, 238401378 is an apocalyptic number.

38401378 is a deficient number, since it is larger than the sum of its proper divisors (19226990).

38401378 is a wasteful number, since it uses less digits than its factorization.

38401378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 38401378 is about 6196.8845398313. The cubic root of 38401378 is about 337.3771016634.

The spelling of 38401378 in words is "thirty-eight million, four hundred one thousand, three hundred seventy-eight".

Divisors: 1 2 4283 4483 8566 8966 19200689 38401378