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1490093639 = 17194613293
BaseRepresentation
bin101100011010001…
…0000011001000111
310211211212121012022
41120310100121013
511022430444024
6403505513355
751632405216
oct13064203107
93754777168
101490093639
116a5134451
1235704285b
131a9934218
14101c8507d
158ac3e35e
hex58d10647

1490093639 has 8 divisors (see below), whose sum is σ = 1660785840. Its totient is φ = 1328628096.

The previous prime is 1490093581. The next prime is 1490093653. The reversal of 1490093639 is 9363900941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1490093639 - 28 = 1490093383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1490093639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490093659) 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, 2306324 + ... + 2306969.

It is an arithmetic number, because the mean of its divisors is an integer number (207598230).

Almost surely, 21490093639 is an apocalyptic number.

1490093639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1490093639 is a deficient number, since it is larger than the sum of its proper divisors (170692201).

1490093639 is a wasteful number, since it uses less digits than its factorization.

1490093639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613329.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 1490093639 is about 38601.7310363149. The cubic root of 1490093639 is about 1142.1886851195.

The spelling of 1490093639 in words is "one billion, four hundred ninety million, ninety-three thousand, six hundred thirty-nine".

Divisors: 1 17 19 323 4613293 78425981 87652567 1490093639