Search a number
-
+
8134240 = 25550839
BaseRepresentation
bin11111000001111001100000
3120022021002011
4133001321200
54040243430
6450202304
7126065662
oct37017140
916267064
108134240
114656414
122883394
1318ba57a
14111a532
15aaa22a
hex7c1e60

8134240 has 24 divisors (see below), whose sum is σ = 19217520. Its totient is φ = 3253632.

The previous prime is 8134229. The next prime is 8134303. The reversal of 8134240 is 424318.

It is a zygodrome in base 2.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 25260 + ... + 25579.

It is an arithmetic number, because the mean of its divisors is an integer number (800730).

Almost surely, 28134240 is an apocalyptic number.

8134240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8134240 is an abundant number, since it is smaller than the sum of its proper divisors (11083280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8134240 is a wasteful number, since it uses less digits than its factorization.

8134240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50854 (or 50846 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 8134240 is about 2852.0589054225. The cubic root of 8134240 is about 201.1124672764.

Adding to 8134240 its reverse (424318), we get a palindrome (8558558).

The spelling of 8134240 in words is "eight million, one hundred thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 50839 101678 203356 254195 406712 508390 813424 1016780 1626848 2033560 4067120 8134240