Search a number
-
+
65063990 = 256506399
BaseRepresentation
bin1111100000110…
…0110000110110
311112102121000102
43320030300312
5113124021430
610242314102
71420014635
oct370146066
9145377012
1065063990
11337aa5a2
1219958932
1310630c04
1488d951c
155aa3345
hex3e0cc36

65063990 has 8 divisors (see below), whose sum is σ = 117115200. Its totient is φ = 26025592.

The previous prime is 65063989. The next prime is 65064017. The reversal of 65063990 is 9936056.

65063990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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, 3253190 + ... + 3253209.

It is an arithmetic number, because the mean of its divisors is an integer number (14639400).

Almost surely, 265063990 is an apocalyptic number.

65063990 is a deficient number, since it is larger than the sum of its proper divisors (52051210).

65063990 is a wasteful number, since it uses less digits than its factorization.

65063990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506406.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 65063990 is about 8066.2252634054. The cubic root of 65063990 is about 402.2044742476.

The spelling of 65063990 in words is "sixty-five million, sixty-three thousand, nine hundred ninety".

Divisors: 1 2 5 10 6506399 13012798 32531995 65063990