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24199085 = 54839817
BaseRepresentation
bin101110001001…
…1111110101101
31200112102220102
41130103332231
522143332320
62222400445
7412455161
oct134237655
950472812
1024199085
1112729149
128130125
1350237b1
1432dcca1
1521d0175
hex1713fad

24199085 has 4 divisors (see below), whose sum is σ = 29038908. Its totient is φ = 19359264.

The previous prime is 24199081. The next prime is 24199093. The reversal of 24199085 is 58099142.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58099142 = 229049571.

It can be written as a sum of positive squares in 2 ways, for example, as 4609609 + 19589476 = 2147^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 24199085 - 22 = 24199081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24199081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2419904 + ... + 2419913.

It is an arithmetic number, because the mean of its divisors is an integer number (7259727).

Almost surely, 224199085 is an apocalyptic number.

It is an amenable number.

24199085 is a deficient number, since it is larger than the sum of its proper divisors (4839823).

24199085 is an equidigital number, since it uses as much as digits as its factorization.

24199085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839822.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 24199085 is about 4919.2565495205. The cubic root of 24199085 is about 289.2453028373.

The spelling of 24199085 in words is "twenty-four million, one hundred ninety-nine thousand, eighty-five".

Divisors: 1 5 4839817 24199085