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4927985844 = 2231921613973
BaseRepresentation
bin1001001011011101…
…10001100010110100
3110201102212121201020
410211232301202310
540043031021334
62132555501140
7233056121445
oct44556614264
913642777636
104927985844
1120a97a0781
12b564577b0
13606c66372
1434a6b72cc
151dc97de49
hex125bb18b4

4927985844 has 24 divisors (see below), whose sum is σ = 12103825440. Its totient is φ = 1556205984.

The previous prime is 4927985831. The next prime is 4927985849. The reversal of 4927985844 is 4485897294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4927985849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10806759 + ... + 10807214.

It is an arithmetic number, because the mean of its divisors is an integer number (504326060).

Almost surely, 24927985844 is an apocalyptic number.

It is an amenable number.

4927985844 is an abundant number, since it is smaller than the sum of its proper divisors (7175839596).

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

4927985844 is a wasteful number, since it uses less digits than its factorization.

4927985844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21613999 (or 21613997 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The square root of 4927985844 is about 70199.6142724445. The cubic root of 4927985844 is about 1701.7267166027.

The spelling of 4927985844 in words is "four billion, nine hundred twenty-seven million, nine hundred eighty-five thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 21613973 43227946 64841919 86455892 129683838 259367676 410665487 821330974 1231996461 1642661948 2463992922 4927985844