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111030423 = 372755309
BaseRepresentation
bin1101001111000…
…11000010010111
321201220221002220
412213203002113
5211410433143
615003433423
72515512600
oct647430227
9251827086
10111030423
1157745889
1231225873
131a00639a
1410a62da7
159b32d83
hex69e3097

111030423 has 12 divisors (see below), whose sum is σ = 172210680. Its totient is φ = 63445872.

The previous prime is 111030397. The next prime is 111030427. The reversal of 111030423 is 324030111.

It is not a de Polignac number, because 111030423 - 212 = 111026327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111030427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377508 + ... + 377801.

It is an arithmetic number, because the mean of its divisors is an integer number (14350890).

Almost surely, 2111030423 is an apocalyptic number.

111030423 is a deficient number, since it is larger than the sum of its proper divisors (61180257).

111030423 is an equidigital number, since it uses as much as digits as its factorization.

111030423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755326 (or 755319 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 111030423 is about 10537.0974656212. The cubic root of 111030423 is about 480.6334561946.

Adding to 111030423 its reverse (324030111), we get a palindrome (435060534).

The spelling of 111030423 in words is "one hundred eleven million, thirty thousand, four hundred twenty-three".

Divisors: 1 3 7 21 49 147 755309 2265927 5287163 15861489 37010141 111030423