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47073738 = 237845623
BaseRepresentation
bin1011001110010…
…0100111001010
310021120121000210
42303210213022
544022324423
64400541550
71111056135
oct263444712
9107517023
1047073738
1124632218
12139218b6
1399a24aa
14637521c
1541ecb93
hex2ce49ca

47073738 has 8 divisors (see below), whose sum is σ = 94147488. Its totient is φ = 15691244.

The previous prime is 47073737. The next prime is 47073751. The reversal of 47073738 is 83737074.

47073738 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.

47073738 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47073696 and 47073705.

It is not an unprimeable number, because it can be changed into a prime (47073737) 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, 3922806 + ... + 3922817.

It is an arithmetic number, because the mean of its divisors is an integer number (11768436).

Almost surely, 247073738 is an apocalyptic number.

47073738 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.

47073738 is a wasteful number, since it uses less digits than its factorization.

47073738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845628.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 47073738 is about 6861.0303890888. The cubic root of 47073738 is about 361.0712382081.

The spelling of 47073738 in words is "forty-seven million, seventy-three thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 7845623 15691246 23536869 47073738