Search a number
-
+
27256320 = 293257132
BaseRepresentation
bin110011111111…
…0011000000000
31220021202122100
41213332120000
523434200240
62412110400
7450450330
oct147763000
956252570
1027256320
1114427093
129165400
135854200
1438970c0
1525d5e30
hex19fe600

27256320 has 360 divisors, whose sum is σ = 116818416. Its totient is φ = 5750784.

The previous prime is 27256319. The next prime is 27256331. The reversal of 27256320 is 2365272.

27256320 is a `hidden beast` number, since 2 + 7 + 25 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2096634 + ... + 2096646.

Almost surely, 227256320 is an apocalyptic number.

27256320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27256320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58409208).

27256320 is an abundant number, since it is smaller than the sum of its proper divisors (89562096).

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

27256320 is a wasteful number, since it uses less digits than its factorization.

27256320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 27256320 is about 5220.7585655726. The cubic root of 27256320 is about 300.9463449651.

It can be divided in two parts, 2725 and 6320, that added together give a triangular number (9045 = T134).

The spelling of 27256320 in words is "twenty-seven million, two hundred fifty-six thousand, three hundred twenty".