Search a number
-
+
104900551 = 714985793
BaseRepresentation
bin1100100000010…
…10011111000111
321022101111111121
412100022133013
5203323304201
614224214411
72412432340
oct620123707
9238344447
10104900551
1154239378
122b16a407
131896b242
14dd090c7
1593219a1
hex640a7c7

104900551 has 4 divisors (see below), whose sum is σ = 119886352. Its totient is φ = 89914752.

The previous prime is 104900533. The next prime is 104900563. The reversal of 104900551 is 155009401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155009401 = 712183231.

It is a cyclic number.

It is not a de Polignac number, because 104900551 - 217 = 104769479 is a prime.

It is a super-2 number, since 2×1049005512 = 22008251200207202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104900581) by changing a digit.

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, 7492890 + ... + 7492903.

It is an arithmetic number, because the mean of its divisors is an integer number (29971588).

Almost surely, 2104900551 is an apocalyptic number.

104900551 is a deficient number, since it is larger than the sum of its proper divisors (14985801).

104900551 is an equidigital number, since it uses as much as digits as its factorization.

104900551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14985800.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 104900551 is about 10242.0970020792. The cubic root of 104900551 is about 471.6204081431.

Adding to 104900551 its reverse (155009401), we get a palindrome (259909952).

The spelling of 104900551 in words is "one hundred four million, nine hundred thousand, five hundred fifty-one".

Divisors: 1 7 14985793 104900551