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40221041 = 741140143
BaseRepresentation
bin1001100101101…
…1100101110001
32210200102220012
42121123211301
540244033131
63554024305
7665605340
oct231334561
983612805
1040221041
1120781733
1211578095
138443343
1454adb57
1537e752b
hex265b971

40221041 has 8 divisors (see below), whose sum is σ = 47088384. Its totient is φ = 33634080.

The previous prime is 40221023. The next prime is 40221047. The reversal of 40221041 is 14012204.

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 40221041 - 222 = 36026737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40221047) 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, 69785 + ... + 70358.

It is an arithmetic number, because the mean of its divisors is an integer number (5886048).

Almost surely, 240221041 is an apocalyptic number.

40221041 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40221041 is a deficient number, since it is larger than the sum of its proper divisors (6867343).

40221041 is a wasteful number, since it uses less digits than its factorization.

40221041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140191.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40221041 is about 6342.0060706373. The cubic root of 40221041 is about 342.6239904855.

Adding to 40221041 its reverse (14012204), we get a palindrome (54233245).

The spelling of 40221041 in words is "forty million, two hundred twenty-one thousand, forty-one".

Divisors: 1 7 41 287 140143 981001 5745863 40221041