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106611885 = 3255344701
BaseRepresentation
bin1100101101011…
…00010010101101
321102121110000100
412112230102231
5204243040020
614325021313
72433120552
oct626542255
9242543010
10106611885
11551a80a6
122b854839
131911a173
1410232a29
15955da90
hex65ac4ad

106611885 has 24 divisors (see below), whose sum is σ = 188284824. Its totient is φ = 55785600.

The previous prime is 106611851. The next prime is 106611971. The reversal of 106611885 is 588116601.

It can be written as a sum of positive squares in 4 ways, for example, as 233289 + 106378596 = 483^2 + 10314^2 .

It is not a de Polignac number, because 106611885 - 28 = 106611629 is a prime.

It is a super-2 number, since 2×1066118852 = 22732188046506450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19966 + ... + 24735.

It is an arithmetic number, because the mean of its divisors is an integer number (7845201).

Almost surely, 2106611885 is an apocalyptic number.

106611885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106611885 is a deficient number, since it is larger than the sum of its proper divisors (81672939).

106611885 is a wasteful number, since it uses less digits than its factorization.

106611885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44765 (or 44762 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 106611885 is about 10325.3031432496. The cubic root of 106611885 is about 474.1712381361.

The spelling of 106611885 in words is "one hundred six million, six hundred eleven thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 45 53 159 265 477 795 2385 44701 134103 223505 402309 670515 2011545 2369153 7107459 11845765 21322377 35537295 106611885