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241072221 = 31310360013
BaseRepresentation
bin11100101111001…
…11100001011101
3121210121201220210
432113213201131
5443203302341
635531003033
75655036315
oct1627474135
9553551823
10241072221
11114096145
1268899479
133ac37bb0
1424034445
151626dc16
hexe5e785d

241072221 has 16 divisors (see below), whose sum is σ = 349521536. Its totient is φ = 146909376.

The previous prime is 241072219. The next prime is 241072241. The reversal of 241072221 is 122270142.

It is not a de Polignac number, because 241072221 - 21 = 241072219 is a prime.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241072201) 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 15 ways as a sum of consecutive naturals, for example, 25990 + ... + 34023.

It is an arithmetic number, because the mean of its divisors is an integer number (21845096).

Almost surely, 2241072221 is an apocalyptic number.

It is an amenable number.

241072221 is a deficient number, since it is larger than the sum of its proper divisors (108449315).

241072221 is a wasteful number, since it uses less digits than its factorization.

241072221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60132.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 241072221 is about 15526.5006038064. The cubic root of 241072221 is about 622.3705819569.

The spelling of 241072221 in words is "two hundred forty-one million, seventy-two thousand, two hundred twenty-one".

Divisors: 1 3 13 39 103 309 1339 4017 60013 180039 780169 2340507 6181339 18544017 80357407 241072221