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5448867840 = 21333513379
BaseRepresentation
bin1010001001100011…
…10010000000000000
3112001202000011111000
411010301302000000
542124402232330
62300404052000
7252012420033
oct50461620000
915052004430
105448867840
112346820069
121080994000
1368ab50170
1439994701a
1521d56e560
hex144c72000

5448867840 has 448 divisors, whose sum is σ = 20917814400. Its totient is φ = 1337720832.

The previous prime is 5448867833. The next prime is 5448867871. The reversal of 5448867840 is 487688445.

5448867840 is a `hidden beast` number, since 54 + 488 + 6 + 78 + 40 = 666.

It is a super-3 number, since 3×54488678403 (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14376771 + ... + 14377149.

It is an arithmetic number, because the mean of its divisors is an integer number (46691550).

Almost surely, 25448867840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5448867840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10458907200).

5448867840 is an abundant number, since it is smaller than the sum of its proper divisors (15468946560).

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

5448867840 is a wasteful number, since it uses less digits than its factorization.

5448867840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The square root of 5448867840 is about 73816.4469478178. The cubic root of 5448867840 is about 1759.6869966795.

The spelling of 5448867840 in words is "five billion, four hundred forty-eight million, eight hundred sixty-seven thousand, eight hundred forty".