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111053669 = 1098291229
BaseRepresentation
bin1101001111010…
…00101101100101
321201222002222212
412213220231211
5211412204134
615004133205
72515640426
oct647505545
9251862885
10111053669
11577612a1
1231237205
131a013b3c
1410a6b64d
159b39bce
hex69e8b65

111053669 has 8 divisors (see below), whose sum is σ = 112299000. Its totient is φ = 109812672.

The previous prime is 111053653. The next prime is 111053671. The reversal of 111053669 is 966350111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64609444 + 46444225 = 8038^2 + 6815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111053669 - 24 = 111053653 is a prime.

It is a super-2 number, since 2×1110536692 = 24665834796723122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111053609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89747 + ... + 90975.

It is an arithmetic number, because the mean of its divisors is an integer number (14037375).

Almost surely, 2111053669 is an apocalyptic number.

It is an amenable number.

111053669 is a deficient number, since it is larger than the sum of its proper divisors (1245331).

111053669 is a wasteful number, since it uses less digits than its factorization.

111053669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 111053669 is about 10538.2004630772. The cubic root of 111053669 is about 480.6669966284. Note that the first 3 decimals are identical.

The spelling of 111053669 in words is "one hundred eleven million, fifty-three thousand, six hundred sixty-nine".

Divisors: 1 109 829 1229 90361 133961 1018841 111053669