Search a number
-
+
104147385 = 3553269487
BaseRepresentation
bin1100011010100…
…10100110111001
321020222020100120
412031102212321
5203130204020
614200123453
72403144456
oct615224671
9236866316
10104147385
1153874521
122aa66589
1318766494
14db9082d
159223740
hex63529b9

104147385 has 32 divisors (see below), whose sum is σ = 170760960. Its totient is φ = 54183168.

The previous prime is 104147377. The next prime is 104147387. The reversal of 104147385 is 583741401.

It is not a de Polignac number, because 104147385 - 23 = 104147377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104147387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213612 + ... + 214098.

It is an arithmetic number, because the mean of its divisors is an integer number (5336280).

Almost surely, 2104147385 is an apocalyptic number.

104147385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104147385 is a deficient number, since it is larger than the sum of its proper divisors (66613575).

104147385 is a wasteful number, since it uses less digits than its factorization.

104147385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 104147385 is about 10205.2626129855. The cubic root of 104147385 is about 470.4889810602.

Adding to 104147385 its reverse (583741401), we get a palindrome (687888786).

The spelling of 104147385 in words is "one hundred four million, one hundred forty-seven thousand, three hundred eighty-five".

Divisors: 1 3 5 15 53 159 265 269 487 795 807 1345 1461 2435 4035 7305 14257 25811 42771 71285 77433 129055 131003 213855 387165 393009 655015 1965045 6943159 20829477 34715795 104147385