Search a number
-
+
75455701 is a prime number
BaseRepresentation
bin1000111111101…
…01110011010101
312020222112202121
410133311303111
5123304040301
611253135541
71604235316
oct437656325
9166875677
1075455701
1139657a92
122132a5b1
131282bb59
14a04260d
1569573a1
hex47f5cd5

75455701 has 2 divisors, whose sum is σ = 75455702. Its totient is φ = 75455700.

The previous prime is 75455693. The next prime is 75455773. The reversal of 75455701 is 10755457.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73942801 + 1512900 = 8599^2 + 1230^2 .

It is a cyclic number.

It is not a de Polignac number, because 75455701 - 23 = 75455693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75455101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37727850 + 37727851.

It is an arithmetic number, because the mean of its divisors is an integer number (37727851).

Almost surely, 275455701 is an apocalyptic number.

It is an amenable number.

75455701 is a deficient number, since it is larger than the sum of its proper divisors (1).

75455701 is an equidigital number, since it uses as much as digits as its factorization.

75455701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 75455701 is about 8686.5241034605. The cubic root of 75455701 is about 422.5687266092.

The spelling of 75455701 in words is "seventy-five million, four hundred fifty-five thousand, seven hundred one".