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1490837568 = 2631129101241
BaseRepresentation
bin101100011011100…
…0110000001000000
310211220021101200020
41120313012001000
511023123300233
6403533453440
751641624133
oct13067060100
93756241606
101490837568
116a55a2370
12357341280
131a9b34a0c
14101dda21a
158ad399b3
hex58dc6040

1490837568 has 224 divisors, whose sum is σ = 4514209920. Its totient is φ = 430080000.

The previous prime is 1490837567. The next prime is 1490837611. The reversal of 1490837568 is 8657380941.

It is a self number, because there is not a number n which added to its sum of digits gives 1490837568.

It is not an unprimeable number, because it can be changed into a prime (1490837567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6185928 + ... + 6186168.

Almost surely, 21490837568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490837568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257104960).

1490837568 is an abundant number, since it is smaller than the sum of its proper divisors (3023372352).

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

1490837568 is a wasteful number, since it uses less digits than its factorization.

1490837568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1490837568 is about 38611.3657878092. The cubic root of 1490837568 is about 1142.3787326659.

It can be divided in two parts, 149083 and 7568, that added together give a palindrome (156651).

The spelling of 1490837568 in words is "one billion, four hundred ninety million, eight hundred thirty-seven thousand, five hundred sixty-eight".