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47049085 = 520994483
BaseRepresentation
bin1011001101111…
…0100101111101
310021112100012201
42303132211331
544021032320
64400231501
71110624226
oct263364575
9107470181
1047049085
1124615746
121390b591
1399941c5
14636a24d
1541e570a
hex2cde97d

47049085 has 8 divisors (see below), whose sum is σ = 56498400. Its totient is φ = 37612944.

The previous prime is 47049083. The next prime is 47049097. The reversal of 47049085 is 58094074.

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

It is a cyclic number.

It is not a de Polignac number, because 47049085 - 21 = 47049083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47049083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8254 + ... + 12736.

It is an arithmetic number, because the mean of its divisors is an integer number (7062300).

Almost surely, 247049085 is an apocalyptic number.

It is an amenable number.

47049085 is a deficient number, since it is larger than the sum of its proper divisors (9449315).

47049085 is a wasteful number, since it uses less digits than its factorization.

47049085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6587.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 47049085 is about 6859.2335577672. The cubic root of 47049085 is about 361.0081949629.

The spelling of 47049085 in words is "forty-seven million, forty-nine thousand, eighty-five".

Divisors: 1 5 2099 4483 10495 22415 9409817 47049085