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4742878 = 27338777
BaseRepresentation
bin10010000101111011011110
322220222000011
4102011323132
52203233003
6245353434
755212430
oct22057336
98828004
104742878
11274a438
12170887a
13ca0a4a
148b6650
1563a46d
hex485ede

4742878 has 8 divisors (see below), whose sum is σ = 8130672. Its totient is φ = 2032656.

The previous prime is 4742873. The next prime is 4742887. The reversal of 4742878 is 8782474.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4742878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742873) 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, 169375 + ... + 169402.

It is an arithmetic number, because the mean of its divisors is an integer number (1016334).

Almost surely, 24742878 is an apocalyptic number.

4742878 is a deficient number, since it is larger than the sum of its proper divisors (3387794).

4742878 is a wasteful number, since it uses less digits than its factorization.

4742878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338786.

The product of its digits is 100352, while the sum is 40.

The square root of 4742878 is about 2177.8149600000. The cubic root of 4742878 is about 168.0147143197.

The spelling of 4742878 in words is "four million, seven hundred forty-two thousand, eight hundred seventy-eight".

Divisors: 1 2 7 14 338777 677554 2371439 4742878