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110220309 = 3243284807
BaseRepresentation
bin1101001000111…
…01010000010101
321200101202211200
412210131100111
5211204022214
614534223113
72505600003
oct644352025
9250352750
10110220309
1157242171
1230ab4a99
1319ab1724
14108d1a73
159a22d09
hex691d415

110220309 has 12 divisors (see below), whose sum is σ = 162910176. Its totient is φ = 71771112.

The previous prime is 110220289. The next prime is 110220371. The reversal of 110220309 is 903022011.

It is a happy number.

It is not a de Polignac number, because 110220309 - 213 = 110212117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110220291 and 110220300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110220389) 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, 142017 + ... + 142790.

It is an arithmetic number, because the mean of its divisors is an integer number (13575848).

Almost surely, 2110220309 is an apocalyptic number.

It is an amenable number.

110220309 is a deficient number, since it is larger than the sum of its proper divisors (52689867).

110220309 is a wasteful number, since it uses less digits than its factorization.

110220309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284856 (or 284853 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 110220309 is about 10498.5860476542. The cubic root of 110220309 is about 479.4616490346.

The spelling of 110220309 in words is "one hundred ten million, two hundred twenty thousand, three hundred nine".

Divisors: 1 3 9 43 129 387 284807 854421 2563263 12246701 36740103 110220309