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3090105 = 32568669
BaseRepresentation
bin1011110010011010111001
312210222211100
423302122321
51242340410
6150122013
735160024
oct13623271
95728740
103090105
111820707
121050309
13842685
145a61bb
154108c0
hex2f26b9

3090105 has 12 divisors (see below), whose sum is σ = 5356260. Its totient is φ = 1648032.

The previous prime is 3090097. The next prime is 3090127. The reversal of 3090105 is 5010903.

It can be written as a sum of positive squares in 2 ways, for example, as 2424249 + 665856 = 1557^2 + 816^2 .

It is not a de Polignac number, because 3090105 - 23 = 3090097 is a prime.

It is a super-2 number, since 2×30901052 = 19097497822050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34290 + ... + 34379.

It is an arithmetic number, because the mean of its divisors is an integer number (446355).

Almost surely, 23090105 is an apocalyptic number.

It is an amenable number.

3090105 is a deficient number, since it is larger than the sum of its proper divisors (2266155).

3090105 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 3090105 = (1050309)12.

3090105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68680 (or 68677 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 3090105 is about 1757.8694490775. The cubic root of 3090105 is about 145.6546695489.

The spelling of 3090105 in words is "three million, ninety thousand, one hundred five".

Divisors: 1 3 5 9 15 45 68669 206007 343345 618021 1030035 3090105