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1354555389 = 311199313659
BaseRepresentation
bin101000010111100…
…1101111111111101
310111101211112200010
41100233031333331
510233231233024
6342224453433
745365350035
oct12057157775
93441745603
101354555389
1163567a570
1231977a279
13187829985
14cbc828c5
157ddb9b29
hex50bcdffd

1354555389 has 32 divisors (see below), whose sum is σ = 1989504000. Its totient is φ = 812972160.

The previous prime is 1354555379. The next prime is 1354555481. The reversal of 1354555389 is 9835554531.

It is a happy number.

It is not a de Polignac number, because 1354555389 - 24 = 1354555373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354555309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2055142 + ... + 2055800.

It is an arithmetic number, because the mean of its divisors is an integer number (62172000).

Almost surely, 21354555389 is an apocalyptic number.

It is an amenable number.

1354555389 is a deficient number, since it is larger than the sum of its proper divisors (634948611).

1354555389 is a wasteful number, since it uses less digits than its factorization.

1354555389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its digits is 1620000, while the sum is 48.

The square root of 1354555389 is about 36804.2849271657. The cubic root of 1354555389 is about 1106.4511796268.

The spelling of 1354555389 in words is "one billion, three hundred fifty-four million, five hundred fifty-five thousand, three hundred eighty-nine".

Divisors: 1 3 11 33 199 313 597 659 939 1977 2189 3443 6567 7249 10329 21747 62287 131141 186861 206267 393423 618801 685157 1442551 2055471 2268937 4327653 6806811 41047133 123141399 451518463 1354555389