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241021945 = 52319110973
BaseRepresentation
bin11100101110110…
…11001111111001
3121210112011221201
432113123033321
5443200200240
635525534201
75654436613
oct1627331771
9553464851
10241021945
1111406139a
1268874361
133ac1b048
142401ddb3
151625dd9a
hexe5db3f9

241021945 has 16 divisors (see below), whose sum is σ = 303409152. Its totient is φ = 183451840.

The previous prime is 241021933. The next prime is 241022003. The reversal of 241021945 is 549120142.

It is not a de Polignac number, because 241021945 - 29 = 241021433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16479 + ... + 27451.

It is an arithmetic number, because the mean of its divisors is an integer number (18963072).

Almost surely, 2241021945 is an apocalyptic number.

It is an amenable number.

241021945 is a deficient number, since it is larger than the sum of its proper divisors (62387207).

241021945 is a wasteful number, since it uses less digits than its factorization.

241021945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 241021945 is about 15524.8814810291. The cubic root of 241021945 is about 622.3273134864.

The spelling of 241021945 in words is "two hundred forty-one million, twenty-one thousand, nine hundred forty-five".

Divisors: 1 5 23 115 191 955 4393 10973 21965 54865 252379 1261895 2095843 10479215 48204389 241021945