Search a number
-
+
104238145 = 5111895239
BaseRepresentation
bin1100011011010…
…00110001000001
321021010211212001
412031220301001
5203141110040
614202104001
72404003204
oct615506101
9237124761
10104238145
1153926730
122aaab001
131879889b
14dbb593b
15924059a
hex6368c41

104238145 has 8 divisors (see below), whose sum is σ = 136457280. Its totient is φ = 75809520.

The previous prime is 104238107. The next prime is 104238157. The reversal of 104238145 is 541832401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-104238145 is a prime.

It is an unprimeable number.

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, 947565 + ... + 947674.

It is an arithmetic number, because the mean of its divisors is an integer number (17057160).

Almost surely, 2104238145 is an apocalyptic number.

It is an amenable number.

104238145 is a deficient number, since it is larger than the sum of its proper divisors (32219135).

104238145 is a wasteful number, since it uses less digits than its factorization.

104238145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895255.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 104238145 is about 10209.7083699781. The cubic root of 104238145 is about 470.6256117326.

The spelling of 104238145 in words is "one hundred four million, two hundred thirty-eight thousand, one hundred forty-five".

Divisors: 1 5 11 55 1895239 9476195 20847629 104238145