Search a number
-
+
4545454565 = 54639195967
BaseRepresentation
bin1000011101110111…
…00010000111100101
3102201210002000110002
410032323202013211
533302114021230
62031012511045
7220432504061
oct41673420745
912653060402
104545454565
111a22877323
12a6a31b485
1357592ccb2
1431197caa1
151b90bb545
hex10eee21e5

4545454565 has 8 divisors (see below), whose sum is σ = 5455749120. Its totient is φ = 3635561232.

The previous prime is 4545454561. The next prime is 4545454619. The reversal of 4545454565 is 5654545454.

4545454565 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4545454565 - 22 = 4545454561 is a prime.

It is a super-2 number, since 2×45454545652 = 41322314404958678450, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545454561) 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 in 7 ways as a sum of consecutive naturals, for example, 74789 + ... + 121178.

It is an arithmetic number, because the mean of its divisors is an integer number (681968640).

Almost surely, 24545454565 is an apocalyptic number.

It is an amenable number.

4545454565 is a deficient number, since it is larger than the sum of its proper divisors (910294555).

4545454565 is a wasteful number, since it uses less digits than its factorization.

4545454565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200611.

The product of its digits is 4800000, while the sum is 47.

The square root of 4545454565 is about 67419.9863912772. The cubic root of 4545454565 is about 1656.5038147341.

The spelling of 4545454565 in words is "four billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred sixty-five".

Divisors: 1 5 4639 23195 195967 979835 909090913 4545454565