Search a number
-
+
264808320 = 27357171961
BaseRepresentation
bin11111100100010…
…10011110000000
3200110021122201120
433302022132000
51020242331240
642135432240
76363555630
oct1762123600
9613248646
10264808320
11126528457
1274825680
1342b28a1a
14272526c0
15183abad0
hexfc8a780

264808320 has 512 divisors, whose sum is σ = 1092787200. Its totient is φ = 53084160.

The previous prime is 264808273. The next prime is 264808331. The reversal of 264808320 is 23808462.

264808320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 63 ways as a sum of consecutive naturals, for example, 4341090 + ... + 4341150.

It is an arithmetic number, because the mean of its divisors is an integer number (2134350).

Almost surely, 2264808320 is an apocalyptic number.

264808320 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 264808320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546393600).

264808320 is an abundant number, since it is smaller than the sum of its proper divisors (827978880).

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

264808320 is a wasteful number, since it uses less digits than its factorization.

264808320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 264808320 is about 16272.9321266943. The cubic root of 264808320 is about 642.1609247117.

The spelling of 264808320 in words is "two hundred sixty-four million, eight hundred eight thousand, three hundred twenty".