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4888457838 = 23311243127137
BaseRepresentation
bin1001000110101111…
…11111001001101110
3110121200111101111000
410203113333021232
540002421122323
62125024341130
7232066130445
oct44327771156
913550441430
104888457838
112089452800
12b451747a6
135cba06604
14345347d5c
151d9271e43
hex1235ff26e

4888457838 has 192 divisors, whose sum is σ = 12404367360. Its totient is φ = 1425029760.

The previous prime is 4888457801. The next prime is 4888457851. The reversal of 4888457838 is 8387548884.

4888457838 is a `hidden beast` number, since 488 + 84 + 5 + 78 + 3 + 8 = 666.

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, 35682106 + ... + 35682242.

It is an arithmetic number, because the mean of its divisors is an integer number (64606080).

Almost surely, 24888457838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4888457838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6202183680).

4888457838 is an abundant number, since it is smaller than the sum of its proper divisors (7515909522).

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

4888457838 is a wasteful number, since it uses less digits than its factorization.

4888457838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 323 counting only the distinct ones).

The product of its digits is 55050240, while the sum is 63.

The square root of 4888457838 is about 69917.5073783384. The cubic root of 4888457838 is about 1697.1645742371.

The spelling of 4888457838 in words is "four billion, eight hundred eighty-eight million, four hundred fifty-seven thousand, eight hundred thirty-eight".