Search a number
-
+
104639768 = 23103912589
BaseRepresentation
bin1100011110010…
…10110100011000
321021220020202222
412033022310120
5203241433033
614214443212
72410265132
oct617126430
9237806688
10104639768
1154080452
122b063508
13188a962c
14dc7c052
1592be598
hex63cad18

104639768 has 16 divisors (see below), whose sum is σ = 196404000. Its totient is φ = 52265376.

The previous prime is 104639767. The next prime is 104639779. The reversal of 104639768 is 867936401.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104639761) 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, 2018 + ... + 14606.

It is an arithmetic number, because the mean of its divisors is an integer number (12275250).

Almost surely, 2104639768 is an apocalyptic number.

It is an amenable number.

104639768 is a deficient number, since it is larger than the sum of its proper divisors (91764232).

104639768 is a wasteful number, since it uses less digits than its factorization.

104639768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634 (or 13630 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 104639768 is about 10229.3581421319. The cubic root of 104639768 is about 471.2292673817.

The spelling of 104639768 in words is "one hundred four million, six hundred thirty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 1039 2078 4156 8312 12589 25178 50356 100712 13079971 26159942 52319884 104639768