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4978423770 = 235414786117
BaseRepresentation
bin1001010001011110…
…01011011111011010
3110211221210010112120
410220233023133122
540143434030040
62142000522110
7234240622005
oct45057133732
913757703476
104978423770
112125210511
12b6b320336
13614545ba8
1435328653c
151e20e37d0
hex128bcb7da

4978423770 has 64 divisors (see below), whose sum is σ = 12500199936. Its totient is φ = 1267627520.

The previous prime is 4978423763. The next prime is 4978423783. The reversal of 4978423770 is 773248794.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14752 + ... + 100868.

It is an arithmetic number, because the mean of its divisors is an integer number (195315624).

Almost surely, 24978423770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4978423770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6250099968).

4978423770 is an abundant number, since it is smaller than the sum of its proper divisors (7521776166).

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

4978423770 is a wasteful number, since it uses less digits than its factorization.

4978423770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86215.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The square root of 4978423770 is about 70557.9461860959. The cubic root of 4978423770 is about 1707.5127445427.

The spelling of 4978423770 in words is "four billion, nine hundred seventy-eight million, four hundred twenty-three thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 41 47 82 94 123 141 205 235 246 282 410 470 615 705 1230 1410 1927 3854 5781 9635 11562 19270 28905 57810 86117 172234 258351 430585 516702 861170 1291755 2583510 3530797 4047499 7061594 8094998 10592391 12142497 17653985 20237495 21184782 24284994 35307970 40474990 52961955 60712485 105923910 121424970 165947459 331894918 497842377 829737295 995684754 1659474590 2489211885 4978423770