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1042790490 = 233571971409
BaseRepresentation
bin111110001001111…
…011100001011010
32200200012020122000
4332021323201122
54113423243430
6251250341430
734561400340
oct7611734132
92620166560
101042790490
1149569aa25
1225128a876
1313806cbc1
149c6c9990
1561834e60
hex3e27b85a

1042790490 has 256 divisors, whose sum is σ = 3400704000. Its totient is φ = 222082560.

The previous prime is 1042790461. The next prime is 1042790501. The reversal of 1042790490 is 940972401.

1042790490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2549406 + ... + 2549814.

It is an arithmetic number, because the mean of its divisors is an integer number (13284000).

Almost surely, 21042790490 is an apocalyptic number.

1042790490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042790490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700352000).

1042790490 is an abundant number, since it is smaller than the sum of its proper divisors (2357913510).

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

1042790490 is a wasteful number, since it uses less digits than its factorization.

1042790490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1042790490 is about 32292.2667213065. The cubic root of 1042790490 is about 1014.0647520010.

The spelling of 1042790490 in words is "one billion, forty-two million, seven hundred ninety thousand, four hundred ninety".