Search a number
-
+
1490425755 = 357131091887
BaseRepresentation
bin101100011010110…
…0001011110011011
310211212111110202220
41120311201132123
511023022111010
6403520555123
751635260410
oct13065413633
93755443686
101490425755
116a5340a25
12357182aa3
131a9a1c440
14101d30107
158aca7970
hex58d6179b

1490425755 has 32 divisors (see below), whose sum is σ = 2934994944. Its totient is φ = 628926336.

The previous prime is 1490425723. The next prime is 1490425757. The reversal of 1490425755 is 5575240941.

It is not a de Polignac number, because 1490425755 - 25 = 1490425723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1490425757) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 544579 + ... + 547308.

It is an arithmetic number, because the mean of its divisors is an integer number (91718592).

Almost surely, 21490425755 is an apocalyptic number.

1490425755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1490425755 is a deficient number, since it is larger than the sum of its proper divisors (1444569189).

1490425755 is a wasteful number, since it uses less digits than its factorization.

1490425755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091915.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 1490425755 is about 38606.0326244487. The cubic root of 1490425755 is about 1142.2735368246.

The spelling of 1490425755 in words is "one billion, four hundred ninety million, four hundred twenty-five thousand, seven hundred fifty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 1365 1091887 3275661 5459435 7643209 14194531 16378305 22929627 38216045 42583593 70972655 99361717 114648135 212917965 298085151 496808585 1490425755