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740221109 is a prime number
BaseRepresentation
bin101100000111101…
…110000010110101
31220120212010110122
4230013232002311
53003444033414
6201241301325
724225530015
oct5407560265
91816763418
10740221109
1134a921091
12187a94845
13ba482774
1470447c45
1544eb9b8e
hex2c1ee0b5

740221109 has 2 divisors, whose sum is σ = 740221110. Its totient is φ = 740221108.

The previous prime is 740221103. The next prime is 740221169. The reversal of 740221109 is 901122047.

740221109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695798884 + 44422225 = 26378^2 + 6665^2 .

It is a cyclic number.

It is not a de Polignac number, because 740221109 - 212 = 740217013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740221103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370110554 + 370110555.

It is an arithmetic number, because the mean of its divisors is an integer number (370110555).

Almost surely, 2740221109 is an apocalyptic number.

It is an amenable number.

740221109 is a deficient number, since it is larger than the sum of its proper divisors (1).

740221109 is an equidigital number, since it uses as much as digits as its factorization.

740221109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 740221109 is about 27207.0047781817. The cubic root of 740221109 is about 904.5942480729.

The spelling of 740221109 in words is "seven hundred forty million, two hundred twenty-one thousand, one hundred nine".