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1080399383 = 72313112287
BaseRepresentation
bin100000001100101…
…1001011000010111
32210021221222022222
41000121121120113
54203040240013
6255112412555
735526146300
oct10031313027
92707858288
101080399383
11504948058
122619a715b
13142aaa29b
14a36b97a7
1564cb3508
hex40659617

1080399383 has 24 divisors (see below), whose sum is σ = 1302073344. Its totient is φ = 892911600.

The previous prime is 1080399367. The next prime is 1080399409. The reversal of 1080399383 is 3839930801.

It is not a de Polignac number, because 1080399383 - 24 = 1080399367 is a prime.

It is a super-3 number, since 3×10803993833 (a number of 28 digits) contains 333 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 (1080399583) 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 23 ways as a sum of consecutive naturals, for example, 471266 + ... + 473552.

It is an arithmetic number, because the mean of its divisors is an integer number (54253056).

Almost surely, 21080399383 is an apocalyptic number.

1080399383 is a deficient number, since it is larger than the sum of its proper divisors (221673961).

1080399383 is a wasteful number, since it uses less digits than its factorization.

1080399383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1080399383 is about 32869.4293074887. The cubic root of 1080399383 is about 1026.1120219241.

The spelling of 1080399383 in words is "one billion, eighty million, three hundred ninety-nine thousand, three hundred eighty-three".

Divisors: 1 7 31 49 217 311 1519 2177 2287 9641 15239 16009 67487 70897 112063 472409 496279 711257 3473953 4978799 22048967 34851593 154342769 1080399383