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47264087 = 133635699
BaseRepresentation
bin1011010001001…
…1000101010111
310021221021010202
42310103011113
544044422322
64405011115
71112511113
oct264230527
9107837122
1047264087
1124752232
12139b3a9b
139a3b020
1463c4743
154239292
hex2d13157

47264087 has 4 divisors (see below), whose sum is σ = 50899800. Its totient is φ = 43628376.

The previous prime is 47264083. The next prime is 47264089. The reversal of 47264087 is 78046274.

47264087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47264087 - 22 = 47264083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47264087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47264083) 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, 1817837 + ... + 1817862.

It is an arithmetic number, because the mean of its divisors is an integer number (12724950).

Almost surely, 247264087 is an apocalyptic number.

47264087 is a deficient number, since it is larger than the sum of its proper divisors (3635713).

47264087 is a wasteful number, since it uses less digits than its factorization.

47264087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635712.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 47264087 is about 6874.8881445446. Note that the first 3 decimals coincide. The cubic root of 47264087 is about 361.5572637538.

The spelling of 47264087 in words is "forty-seven million, two hundred sixty-four thousand, eighty-seven".

Divisors: 1 13 3635699 47264087