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104924809 = 119538619
BaseRepresentation
bin1100100000100…
…00011010001001
321022102201210001
412100100122021
5203330043214
614224523001
72412563143
oct620203211
9238381701
10104924809
1154255620
122b180461
13189792b2
14dd13c93
159328c74
hex6410689

104924809 has 4 divisors (see below), whose sum is σ = 114463440. Its totient is φ = 95386180.

The previous prime is 104924779. The next prime is 104924837. The reversal of 104924809 is 908429401.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-104924809 is a prime.

It is a super-2 number, since 2×1049248092 = 22018431087372962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104924879) 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, 4769299 + ... + 4769320.

It is an arithmetic number, because the mean of its divisors is an integer number (28615860).

Almost surely, 2104924809 is an apocalyptic number.

It is an amenable number.

104924809 is a deficient number, since it is larger than the sum of its proper divisors (9538631).

104924809 is an equidigital number, since it uses as much as digits as its factorization.

104924809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538630.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 104924809 is about 10243.2811637678. The cubic root of 104924809 is about 471.6567590361.

The spelling of 104924809 in words is "one hundred four million, nine hundred twenty-four thousand, eight hundred nine".

Divisors: 1 11 9538619 104924809