Search a number
-
+
97026805 = 519405361
BaseRepresentation
bin1011100100010…
…00001011110101
320202120110202101
411302020023311
5144314324210
613343342101
72255466661
oct562101365
9222513671
1097026805
114a850747
12285b1931
1317142415
14cc598a1
1587b8a3a
hex5c882f5

97026805 has 4 divisors (see below), whose sum is σ = 116432172. Its totient is φ = 77621440.

The previous prime is 97026793. The next prime is 97026817. The reversal of 97026805 is 50862079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50862079 = 172991887.

It is an interprime number because it is at equal distance from previous prime (97026793) and next prime (97026817).

It can be written as a sum of positive squares in 2 ways, for example, as 23872996 + 73153809 = 4886^2 + 8553^2 .

It is not a de Polignac number, because 97026805 - 223 = 88638197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9702676 + ... + 9702685.

It is an arithmetic number, because the mean of its divisors is an integer number (29108043).

Almost surely, 297026805 is an apocalyptic number.

It is an amenable number.

97026805 is a deficient number, since it is larger than the sum of its proper divisors (19405367).

97026805 is a wasteful number, since it uses less digits than its factorization.

97026805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19405366.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 97026805 is about 9850.2185254948. The cubic root of 97026805 is about 459.5124086758.

The spelling of 97026805 in words is "ninety-seven million, twenty-six thousand, eight hundred five".

Divisors: 1 5 19405361 97026805