Search a number
-
+
53328078 = 2339710181
BaseRepresentation
bin1100101101101…
…1100011001110
310201100100101000
43023123203032
5102122444303
65143001130
71215165306
oct313334316
9121310330
1053328078
11281141a1
1215a391a6
13b08219b
147122606
154a35da3
hex32db8ce

53328078 has 32 divisors (see below), whose sum is σ = 119740320. Its totient is φ = 17591040.

The previous prime is 53328073. The next prime is 53328083. The reversal of 53328078 is 87082335.

It is an interprime number because it is at equal distance from previous prime (53328073) and next prime (53328083).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53328073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148 + ... + 10328.

It is an arithmetic number, because the mean of its divisors is an integer number (3741885).

Almost surely, 253328078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53328078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59870160).

53328078 is an abundant number, since it is smaller than the sum of its proper divisors (66412242).

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

53328078 is a wasteful number, since it uses less digits than its factorization.

53328078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289 (or 10283 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 53328078 is about 7302.6076164614. The cubic root of 53328078 is about 376.4020475013.

The spelling of 53328078 in words is "fifty-three million, three hundred twenty-eight thousand, seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 97 194 291 582 873 1746 2619 5238 10181 20362 30543 61086 91629 183258 274887 549774 987557 1975114 2962671 5925342 8888013 17776026 26664039 53328078