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3388985 = 52332909
BaseRepresentation
bin1100111011011000111001
320101011210222
430323120321
51331421420
6200345425
740543265
oct14733071
96334728
103388985
111a05216
121175275
13918722
146430a5
1546e225
hex33b639

3388985 has 8 divisors (see below), whose sum is σ = 4085640. Its totient is φ = 2698624.

The previous prime is 3388963. The next prime is 3388993. The reversal of 3388985 is 5898833.

It can be written as a sum of positive squares in 4 ways, for example, as 440896 + 2948089 = 664^2 + 1717^2 .

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 3388985 - 26 = 3388921 is a prime.

It is a super-2 number, since 2×33889852 = 22970438660450, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 290 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (510705).

Almost surely, 23388985 is an apocalyptic number.

It is an amenable number.

3388985 is a deficient number, since it is larger than the sum of its proper divisors (696655).

3388985 is a wasteful number, since it uses less digits than its factorization.

3388985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147.

The product of its digits is 207360, while the sum is 44.

The square root of 3388985 is about 1840.9196071529. The cubic root of 3388985 is about 150.2068996708.

The spelling of 3388985 in words is "three million, three hundred eighty-eight thousand, nine hundred eighty-five".

Divisors: 1 5 233 1165 2909 14545 677797 3388985