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1115401433 = 17417692081
BaseRepresentation
bin100001001111011…
…1010110011011001
32212201211021010012
41002132322303121
54241020321213
6302402531305
736432520136
oct10236726331
92781737105
101115401433
11522684673
12271666b35
1314a113c63
14a81cb58d
1567dc94a8
hex427bacd9

1115401433 has 16 divisors (see below), whose sum is σ = 1211973840. Its totient is φ = 1022361600.

The previous prime is 1115401423. The next prime is 1115401439. The reversal of 1115401433 is 3341045111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 68425984 + 1046975449 = 8272^2 + 32357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115401433 - 214 = 1115385049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1115401399 and 1115401408.

It is not an unprimeable number, because it can be changed into a prime (1115401439) 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 15 ways as a sum of consecutive naturals, for example, 534953 + ... + 537033.

It is an arithmetic number, because the mean of its divisors is an integer number (75748365).

Almost surely, 21115401433 is an apocalyptic number.

It is an amenable number.

1115401433 is a deficient number, since it is larger than the sum of its proper divisors (96572407).

1115401433 is a wasteful number, since it uses less digits than its factorization.

1115401433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1115401433 is about 33397.6261581568. The cubic root of 1115401433 is about 1037.0755592540.

Adding to 1115401433 its reverse (3341045111), we get a palindrome (4456446544).

The spelling of 1115401433 in words is "one billion, one hundred fifteen million, four hundred one thousand, four hundred thirty-three".

Divisors: 1 17 41 697 769 2081 13073 31529 35377 85321 535993 1450457 1600289 27204913 65611849 1115401433