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47340078 = 237890013
BaseRepresentation
bin1011010010010…
…1101000101110
310022002010101020
42310211220232
544104340303
64410355010
71113245502
oct264455056
9108063336
1047340078
11247a4335
1213a2ba66
139a667a6
146404302
154251a53
hex2d25a2e

47340078 has 8 divisors (see below), whose sum is σ = 94680168. Its totient is φ = 15780024.

The previous prime is 47340071. The next prime is 47340089. The reversal of 47340078 is 87004374.

It is a happy number.

47340078 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.

47340078 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47340071) 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, 3945001 + ... + 3945012.

It is an arithmetic number, because the mean of its divisors is an integer number (11835021).

Almost surely, 247340078 is an apocalyptic number.

47340078 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.

47340078 is a wasteful number, since it uses less digits than its factorization.

47340078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890018.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 47340078 is about 6880.4126329749. The cubic root of 47340078 is about 361.7509300809.

The spelling of 47340078 in words is "forty-seven million, three hundred forty thousand, seventy-eight".

Divisors: 1 2 3 6 7890013 15780026 23670039 47340078