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47245422 = 23710710513
BaseRepresentation
bin1011010000111…
…0100001101110
310021220022112110
42310032201232
544043323142
64404344450
71112402520
oct264164156
9107808473
1047245422
112473a204
12139a5126
139a32693
1463bba10
15423399c
hex2d0e86e

47245422 has 32 divisors (see below), whose sum is σ = 109009152. Its totient is φ = 13371264.

The previous prime is 47245421. The next prime is 47245423. The reversal of 47245422 is 22454274.

47245422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47245421) and next prime (47245423).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 47245422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47245421) 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 15 ways as a sum of consecutive naturals, for example, 763 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (3406536).

Almost surely, 247245422 is an apocalyptic number.

47245422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47245422 is an abundant number, since it is smaller than the sum of its proper divisors (61763730).

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

47245422 is a wasteful number, since it uses less digits than its factorization.

47245422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10632.

The product of its digits is 17920, while the sum is 30.

The square root of 47245422 is about 6873.5305338669. The cubic root of 47245422 is about 361.5096634489.

Adding to 47245422 its reverse (22454274), we get a palindrome (69699696).

The spelling of 47245422 in words is "forty-seven million, two hundred forty-five thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 107 214 321 642 749 1498 2247 4494 10513 21026 31539 63078 73591 147182 220773 441546 1124891 2249782 3374673 6749346 7874237 15748474 23622711 47245422