Search a number
-
+
8240147 = 291491907
BaseRepresentation
bin11111011011110000010011
3120111122100122
4133123300103
54102141042
6452340455
7130016516
oct37336023
916448318
108240147
114718a43
12291472b
131926836
141146d7d
15acb7d2
hex7dbc13

8240147 has 8 divisors (see below), whose sum is σ = 8586000. Its totient is φ = 7898464.

The previous prime is 8240143. The next prime is 8240161. The reversal of 8240147 is 7410428.

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 8240147 - 22 = 8240143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8240143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (1073250).

Almost surely, 28240147 is an apocalyptic number.

8240147 is a deficient number, since it is larger than the sum of its proper divisors (345853).

8240147 is a wasteful number, since it uses less digits than its factorization.

8240147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 8240147 is about 2870.5656237055. The cubic root of 8240147 is about 201.9815278995.

The spelling of 8240147 in words is "eight million, two hundred forty thousand, one hundred forty-seven".

Divisors: 1 29 149 1907 4321 55303 284143 8240147