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41720801 is a prime number
BaseRepresentation
bin1001111100100…
…1101111100001
32220111122011212
42133021233201
541140031201
64050115505
71014422663
oct237115741
986448155
1041720801
1121606501
1211b7bb95
138849b85
145780533
1539e1abb
hex27c9be1

41720801 has 2 divisors, whose sum is σ = 41720802. Its totient is φ = 41720800.

The previous prime is 41720779. The next prime is 41720813. The reversal of 41720801 is 10802714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 952576 = 6385^2 + 976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-41720801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41720101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20860400 + 20860401.

It is an arithmetic number, because the mean of its divisors is an integer number (20860401).

Almost surely, 241720801 is an apocalyptic number.

It is an amenable number.

41720801 is a deficient number, since it is larger than the sum of its proper divisors (1).

41720801 is an equidigital number, since it uses as much as digits as its factorization.

41720801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 41720801 is about 6459.1641100068. The cubic root of 41720801 is about 346.8307108024.

The spelling of 41720801 in words is "forty-one million, seven hundred twenty thousand, eight hundred one".