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241288728 = 23331132327
BaseRepresentation
bin11100110000111…
…00011000011000
3121211000201220120
432120130120120
5443232214403
635535353240
75656630452
oct1630343030
9554021816
10241288728
1111422387a
1268982820
133acb25c5
142408d2d2
15162b2e53
hexe61c618

241288728 has 32 divisors (see below), whose sum is σ = 605180160. Its totient is φ = 80168480.

The previous prime is 241288709. The next prime is 241288753. The reversal of 241288728 is 827882142.

241288728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 241288728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8700 + ... + 23627.

It is an arithmetic number, because the mean of its divisors is an integer number (18911880).

Almost surely, 2241288728 is an apocalyptic number.

It is an amenable number.

241288728 is an abundant number, since it is smaller than the sum of its proper divisors (363891432).

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

241288728 is a wasteful number, since it uses less digits than its factorization.

241288728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32647 (or 32643 counting only the distinct ones).

The product of its digits is 114688, while the sum is 42.

The square root of 241288728 is about 15533.4712154109. The cubic root of 241288728 is about 622.5568432472.

The spelling of 241288728 in words is "two hundred forty-one million, two hundred eighty-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 311 622 933 1244 1866 2488 3732 7464 32327 64654 96981 129308 193962 258616 387924 775848 10053697 20107394 30161091 40214788 60322182 80429576 120644364 241288728