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47825378 = 2153115619
BaseRepresentation
bin1011011001110…
…0000111100010
310022222210002022
42312130013202
544220403003
64425021442
71120336406
oct266340742
9108883068
1047825378
1124aa5a07
1214024882
139ba6653
1464cd106
1542ea738
hex2d9c1e2

47825378 has 8 divisors (see below), whose sum is σ = 71789520. Its totient is φ = 23895540.

The previous prime is 47825377. The next prime is 47825389. The reversal of 47825378 is 87352874.

It is a happy number.

47825378 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 a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47825377) 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, 4748 + ... + 10871.

It is an arithmetic number, because the mean of its divisors is an integer number (8973690).

Almost surely, 247825378 is an apocalyptic number.

47825378 is a deficient number, since it is larger than the sum of its proper divisors (23964142).

47825378 is a wasteful number, since it uses less digits than its factorization.

47825378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17152.

The product of its digits is 376320, while the sum is 44.

The square root of 47825378 is about 6915.5894904195. The cubic root of 47825378 is about 362.9828757919.

The spelling of 47825378 in words is "forty-seven million, eight hundred twenty-five thousand, three hundred seventy-eight".

Divisors: 1 2 1531 3062 15619 31238 23912689 47825378