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1117233389 = 3730195497
BaseRepresentation
bin100001010010111…
…1010000011101101
32212212021100002102
41002211322003231
54242002432024
6302510104445
736454220126
oct10245720355
92785240072
101117233389
11523715a88
122721ab125
1314a605a5c
14a854704d
156813c1ae
hex4297a0ed

1117233389 has 4 divisors (see below), whose sum is σ = 1147428924. Its totient is φ = 1087037856.

The previous prime is 1117233347. The next prime is 1117233401. The reversal of 1117233389 is 9833327111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 791972164 + 325261225 = 28142^2 + 18035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1117233389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117233989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15097712 + ... + 15097785.

It is an arithmetic number, because the mean of its divisors is an integer number (286857231).

Almost surely, 21117233389 is an apocalyptic number.

It is an amenable number.

1117233389 is a deficient number, since it is larger than the sum of its proper divisors (30195535).

1117233389 is an equidigital number, since it uses as much as digits as its factorization.

1117233389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30195534.

The product of its digits is 27216, while the sum is 38.

The square root of 1117233389 is about 33425.0413462721. The cubic root of 1117233389 is about 1037.6430194090.

The spelling of 1117233389 in words is "one billion, one hundred seventeen million, two hundred thirty-three thousand, three hundred eighty-nine".

Divisors: 1 37 30195497 1117233389