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1490816741 = 1978464039
BaseRepresentation
bin101100011011100…
…0000111011100101
310211220020100002212
41120313000323211
511023122113431
6403533213205
751641506331
oct13067007345
93756210085
101490816741
116a5588757
12357331205
131a9b283ab
14101dd27c1
158ad3372b
hex58dc0ee5

1490816741 has 4 divisors (see below), whose sum is σ = 1569280800. Its totient is φ = 1412352684.

The previous prime is 1490816713. The next prime is 1490816773. The reversal of 1490816741 is 1476180941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1490816741 - 214 = 1490800357 is a prime.

It is a super-2 number, since 2×14908167412 = 4445069110491722162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490816711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39232001 + ... + 39232038.

It is an arithmetic number, because the mean of its divisors is an integer number (392320200).

Almost surely, 21490816741 is an apocalyptic number.

It is an amenable number.

1490816741 is a deficient number, since it is larger than the sum of its proper divisors (78464059).

1490816741 is an equidigital number, since it uses as much as digits as its factorization.

1490816741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78464058.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1490816741 is about 38611.0960864879. The cubic root of 1490816741 is about 1142.3734129644.

The spelling of 1490816741 in words is "one billion, four hundred ninety million, eight hundred sixteen thousand, seven hundred forty-one".

Divisors: 1 19 78464039 1490816741