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248814720 = 27335711217
BaseRepresentation
bin11101101010010…
…01110010000000
3122100012002122000
432311021302000
51002144032340
640404544000
76110614230
oct1665116200
9570162560
10248814720
111184a4200
126b3b2000
133c71905b
142508bcc0
1516c9cd30
hexed49c80

248814720 has 768 divisors, whose sum is σ = 1172102400. Its totient is φ = 48660480.

The previous prime is 248814707. The next prime is 248814767. The reversal of 248814720 is 27418842.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14636152 + ... + 14636168.

It is an arithmetic number, because the mean of its divisors is an integer number (1526175).

Almost surely, 2248814720 is an apocalyptic number.

248814720 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 248814720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586051200).

248814720 is an abundant number, since it is smaller than the sum of its proper divisors (923287680).

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

248814720 is a wasteful number, since it uses less digits than its factorization.

248814720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 248814720 is about 15773.8619240819. The cubic root of 248814720 is about 628.9633745987.

The spelling of 248814720 in words is "two hundred forty-eight million, eight hundred fourteen thousand, seven hundred twenty".