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1117223389 = 1958801231
BaseRepresentation
bin100001010010111…
…0111100111011101
32212212020211101001
41002211313213131
54242002122024
6302505550301
736454146022
oct10245674735
92785224331
101117223389
11523709517
122721a5391
1314a601339
14a8543549
1568139244
hex429779dd

1117223389 has 4 divisors (see below), whose sum is σ = 1176024640. Its totient is φ = 1058422140.

The previous prime is 1117223381. The next prime is 1117223423. The reversal of 1117223389 is 9833227111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1117223389 - 23 = 1117223381 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 (1117223381) 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, 29400597 + ... + 29400634.

It is an arithmetic number, because the mean of its divisors is an integer number (294006160).

Almost surely, 21117223389 is an apocalyptic number.

1117223389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1117223389 is a deficient number, since it is larger than the sum of its proper divisors (58801251).

1117223389 is an equidigital number, since it uses as much as digits as its factorization.

1117223389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58801250.

The product of its digits is 18144, while the sum is 37.

The square root of 1117223389 is about 33424.8917574912. The cubic root of 1117223389 is about 1037.6399235291.

The spelling of 1117223389 in words is "one billion, one hundred seventeen million, two hundred twenty-three thousand, three hundred eighty-nine".

Divisors: 1 19 58801231 1117223389