Search a number
-
+
248582880 = 253257213271
BaseRepresentation
bin11101101000100…
…01001011100000
3122022202022121100
432310101023200
51002114123010
640355554400
76105630300
oct1664211340
9568668540
10248582880
11118355aa7
126b2bba00
133c667680
142502b600
1516c542c0
hexed112e0

248582880 has 432 divisors, whose sum is σ = 1066613184. Its totient is φ = 52254720.

The previous prime is 248582837. The next prime is 248582881. The reversal of 248582880 is 88285842.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248582881) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 917145 + ... + 917415.

It is an arithmetic number, because the mean of its divisors is an integer number (2469012).

Almost surely, 2248582880 is an apocalyptic number.

248582880 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 248582880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533306592).

248582880 is an abundant number, since it is smaller than the sum of its proper divisors (818030304).

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

248582880 is a wasteful number, since it uses less digits than its factorization.

248582880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The square root of 248582880 is about 15766.5113452533. The cubic root of 248582880 is about 628.7679625501.

The spelling of 248582880 in words is "two hundred forty-eight million, five hundred eighty-two thousand, eight hundred eighty".