Search a number
-
+
1042983940 = 225109478433
BaseRepresentation
bin111110001010101…
…010110000000100
32200200120001222211
4332022222300010
54114000441230
6251254433204
734563134335
oct7612526004
92620501884
101042983940
114958122a9
12251362804
13138109c7b
149c73a28c
156187242a
hex3e2aac04

1042983940 has 24 divisors (see below), whose sum is σ = 2210365080. Its totient is φ = 413365248.

The previous prime is 1042983919. The next prime is 1042983943. The reversal of 1042983940 is 493892401.

It can be written as a sum of positive squares in 4 ways, for example, as 12830724 + 1030153216 = 3582^2 + 32096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1042983893 and 1042983902.

It is not an unprimeable number, because it can be changed into a prime (1042983943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237037 + ... + 241396.

It is an arithmetic number, because the mean of its divisors is an integer number (92098545).

Almost surely, 21042983940 is an apocalyptic number.

1042983940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042983940 is an abundant number, since it is smaller than the sum of its proper divisors (1167381140).

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

1042983940 is a wasteful number, since it uses less digits than its factorization.

1042983940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478551 (or 478549 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1042983940 is about 32295.2618815826. The cubic root of 1042983940 is about 1014.1274551354.

The spelling of 1042983940 in words is "one billion, forty-two million, nine hundred eighty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 478433 956866 1913732 2392165 4784330 9568660 52149197 104298394 208596788 260745985 521491970 1042983940