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47890004 = 2283144247
BaseRepresentation
bin1011011010101…
…1111001010100
310100010001201212
42312223321110
544224440004
64430240552
71121026001
oct266537124
9110101655
1047890004
112503a518
1214056158
139bc9ba6
1465088a8
15430e96e
hex2dabe54

47890004 has 12 divisors (see below), whose sum is σ = 84817824. Its totient is φ = 23656344.

The previous prime is 47890001. The next prime is 47890019. The reversal of 47890004 is 40009874.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47890001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71792 + ... + 72455.

It is an arithmetic number, because the mean of its divisors is an integer number (7068152).

Almost surely, 247890004 is an apocalyptic number.

It is an amenable number.

47890004 is a deficient number, since it is larger than the sum of its proper divisors (36927820).

47890004 is a wasteful number, since it uses less digits than its factorization.

47890004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144334 (or 144332 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 47890004 is about 6920.2603997249. The cubic root of 47890004 is about 363.1463006930.

Adding to 47890004 its reverse (40009874), we get a palindrome (87899878).

The spelling of 47890004 in words is "forty-seven million, eight hundred ninety thousand, four".

Divisors: 1 2 4 83 166 332 144247 288494 576988 11972501 23945002 47890004