Search a number
-
+
104888521 = 1711354601
BaseRepresentation
bin1100100000001…
…11100011001001
321022100220000001
412100013203021
5203322413041
614224043001
72412352303
oct620074311
9238326001
10104888521
1154230331
122b163461
131896591a
14dd04973
15931d131
hex64078c9

104888521 has 8 divisors (see below), whose sum is σ = 112043304. Its totient is φ = 97843200.

The previous prime is 104888507. The next prime is 104888587. The reversal of 104888521 is 125888401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 746496 + 104142025 = 864^2 + 10205^2 .

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 104888521 - 27 = 104888393 is a prime.

It is a super-2 number, since 2×1048885212 = 22003203675134882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104888501) 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 7 ways as a sum of consecutive naturals, for example, 25380 + ... + 29221.

It is an arithmetic number, because the mean of its divisors is an integer number (14005413).

Almost surely, 2104888521 is an apocalyptic number.

It is an amenable number.

104888521 is a deficient number, since it is larger than the sum of its proper divisors (7154783).

104888521 is a wasteful number, since it uses less digits than its factorization.

104888521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54731.

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 104888521 is about 10241.5097031639. The cubic root of 104888521 is about 471.6023789706.

The spelling of 104888521 in words is "one hundred four million, eight hundred eighty-eight thousand, five hundred twenty-one".

Divisors: 1 17 113 1921 54601 928217 6169913 104888521