Search a number
-
+
8540797 = 23371339
BaseRepresentation
bin100000100101…
…001001111101
3121001220202211
4200211021331
54141301142
6503020421
7132411166
oct40451175
917056684
108540797
114903911
122a3a711
131a00635
1411c476d
15b3a917
hex82527d

8540797 has 4 divisors (see below), whose sum is σ = 8912160. Its totient is φ = 8169436.

The previous prime is 8540773. The next prime is 8540801. The reversal of 8540797 is 7970458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8540797 - 223 = 152189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185647 + ... + 185692.

It is an arithmetic number, because the mean of its divisors is an integer number (2228040).

Almost surely, 28540797 is an apocalyptic number.

It is an amenable number.

8540797 is a deficient number, since it is larger than the sum of its proper divisors (371363).

8540797 is a wasteful number, since it uses less digits than its factorization.

8540797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371362.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 8540797 is about 2922.4641999518. The cubic root of 8540797 is about 204.4087425077.

The spelling of 8540797 in words is "eight million, five hundred forty thousand, seven hundred ninety-seven".

Divisors: 1 23 371339 8540797