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4942081000 = 23538955529
BaseRepresentation
bin1001001101001001…
…00010101111101000
3110202102101201122001
410212210202233220
540110133043000
62134221540344
7233316665263
oct44644425750
913672351561
104942081000
11210674866a
12b5b1146b4
13609b5cbac
1434c505cda
151ddd1546a
hex126922be8

4942081000 has 64 divisors (see below), whose sum is σ = 11694618000. Its totient is φ = 1954585600.

The previous prime is 4942080961. The next prime is 4942081043. The reversal of 4942081000 is 1802494.

It can be written as a sum of positive squares in 8 ways, for example, as 548777476 + 4393303524 = 23426^2 + 66282^2 .

It is a super-2 number, since 2×49420810002 = 48848329221122000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4942081000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61236 + ... + 116764.

Almost surely, 24942081000 is an apocalyptic number.

4942081000 is a gapful number since it is divisible by the number (40) 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 4942081000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5847309000).

4942081000 is an abundant number, since it is smaller than the sum of its proper divisors (6752537000).

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

4942081000 is a wasteful number, since it uses less digits than its factorization.

4942081000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55639 (or 55625 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4942081000 is about 70299.9359885911. The cubic root of 4942081000 is about 1703.3476135238.

Adding to 4942081000 its reverse (1802494), we get a palindrome (4943883494).

The spelling of 4942081000 in words is "four billion, nine hundred forty-two million, eighty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 89 100 125 178 200 250 356 445 500 712 890 1000 1780 2225 3560 4450 8900 11125 17800 22250 44500 55529 89000 111058 222116 277645 444232 555290 1110580 1388225 2221160 2776450 4942081 5552900 6941125 9884162 11105800 13882250 19768324 24710405 27764500 39536648 49420810 55529000 98841620 123552025 197683240 247104050 494208100 617760125 988416200 1235520250 2471040500 4942081000