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110405412 = 2232131713877
BaseRepresentation
bin1101001010010…
…10011100100100
321200202011202100
412211022130210
5211230433122
614542212100
72510300445
oct645123444
9250664670
10110405412
1157359247
1230b84030
1319b47a60
141093d2cc
159a5caac
hex694a724

110405412 has 72 divisors (see below), whose sum is σ = 318250296. Its totient is φ = 31970304.

The previous prime is 110405411. The next prime is 110405417. The reversal of 110405412 is 214504011.

It can be written as a sum of positive squares in 4 ways, for example, as 910116 + 109495296 = 954^2 + 10464^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (110405411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018 + ... + 14894.

It is an arithmetic number, because the mean of its divisors is an integer number (4420143).

Almost surely, 2110405412 is an apocalyptic number.

110405412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110405412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159125148).

110405412 is an abundant number, since it is smaller than the sum of its proper divisors (207844884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110405412 is a wasteful number, since it uses less digits than its factorization.

110405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13917 (or 13912 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 110405412 is about 10507.3979652433. The cubic root of 110405412 is about 479.7299001245.

Adding to 110405412 its reverse (214504011), we get a palindrome (324909423).

The spelling of 110405412 in words is "one hundred ten million, four hundred five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 17 18 26 34 36 39 51 52 68 78 102 117 153 156 204 221 234 306 442 468 612 663 884 1326 1989 2652 3978 7956 13877 27754 41631 55508 83262 124893 166524 180401 235909 249786 360802 471818 499572 541203 707727 721604 943636 1082406 1415454 1623609 2123181 2164812 2830908 3066817 3247218 4246362 6133634 6494436 8492724 9200451 12267268 18400902 27601353 36801804 55202706 110405412