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221120341 = 1371239567
BaseRepresentation
bin11010010111000…
…00011101010101
3120102002002002021
431023200131111
5423101322331
633535213141
75323330501
oct1513403525
9512062067
10221120341
111038a8a92
12620771b1
1336a70650
142151d301
151462c211
hexd2e0755

221120341 has 8 divisors (see below), whose sum is σ = 241484544. Its totient is φ = 201235440.

The previous prime is 221120299. The next prime is 221120351. The reversal of 221120341 is 143021122.

221120341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221120341 - 225 = 187565909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118861 + ... + 120706.

It is an arithmetic number, because the mean of its divisors is an integer number (30185568).

Almost surely, 2221120341 is an apocalyptic number.

It is an amenable number.

221120341 is a deficient number, since it is larger than the sum of its proper divisors (20364203).

221120341 is a wasteful number, since it uses less digits than its factorization.

221120341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239651.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 221120341 is about 14870.1157023071. The cubic root of 221120341 is about 604.7040794921.

Adding to 221120341 its reverse (143021122), we get a palindrome (364141463).

The spelling of 221120341 in words is "two hundred twenty-one million, one hundred twenty thousand, three hundred forty-one".

Divisors: 1 13 71 923 239567 3114371 17009257 221120341