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47418668 = 22111077697
BaseRepresentation
bin1011010011100…
…0110100101100
310022020010011222
42310320310230
544114344133
64412202512
71114023563
oct264706454
9108203158
1047418668
1124848390
1213a69438
139a934ab
146424bda
154269e98
hex2d38d2c

47418668 has 12 divisors (see below), whose sum is σ = 90526632. Its totient is φ = 21553920.

The previous prime is 47418659. The next prime is 47418677. The reversal of 47418668 is 86681474.

47418668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47418659) and next prime (47418677).

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1077697 = 47418668 / (4 + 7 + 4 + 1 + 8 + 6 + 6 + 8).

It is an unprimeable number.

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, 538805 + ... + 538892.

It is an arithmetic number, because the mean of its divisors is an integer number (7543886).

Almost surely, 247418668 is an apocalyptic number.

It is an amenable number.

47418668 is a deficient number, since it is larger than the sum of its proper divisors (43107964).

47418668 is a wasteful number, since it uses less digits than its factorization.

47418668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077712 (or 1077710 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 47418668 is about 6886.1214046806. The cubic root of 47418668 is about 361.9510021898.

The spelling of 47418668 in words is "forty-seven million, four hundred eighteen thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 44 1077697 2155394 4310788 11854667 23709334 47418668