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47068668 = 2233974493
BaseRepresentation
bin1011001110001…
…1010111111100
310021120100002000
42303203113330
544022144133
64400502300
71111035303
oct263432774
9107510060
1047068668
1124629429
121391a990
1399a00aa
14637343a
1541eb413
hex2ce35fc

47068668 has 48 divisors (see below), whose sum is σ = 123315360. Its totient is φ = 15524352.

The previous prime is 47068657. The next prime is 47068687. The reversal of 47068668 is 86686074.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8230 + ... + 12722.

It is an arithmetic number, because the mean of its divisors is an integer number (2569070).

Almost surely, 247068668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47068668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61657680).

47068668 is an abundant number, since it is smaller than the sum of its proper divisors (76246692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47068668 is a wasteful number, since it uses less digits than its factorization.

47068668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 47068668 is about 6860.6609011086. The cubic root of 47068668 is about 361.0582748802.

The spelling of 47068668 in words is "forty-seven million, sixty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 97 108 194 291 388 582 873 1164 1746 2619 3492 4493 5238 8986 10476 13479 17972 26958 40437 53916 80874 121311 161748 242622 435821 485244 871642 1307463 1743284 2614926 3922389 5229852 7844778 11767167 15689556 23534334 47068668