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2069985 = 35137999
BaseRepresentation
bin111111001010111100001
310220011111010
413321113201
51012214420
6112211133
723410641
oct7712741
93804433
102069985
111194235
12839aa9
13576258
143bc521
152ad4e0
hex1f95e1

2069985 has 8 divisors (see below), whose sum is σ = 3312000. Its totient is φ = 1103984.

The previous prime is 2069983. The next prime is 2069987. The reversal of 2069985 is 5899602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2069983) and next prime (2069987).

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 2069985 - 21 = 2069983 is a prime.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (2069983) by changing a digit.

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, 68985 + ... + 69014.

It is an arithmetic number, because the mean of its divisors is an integer number (414000).

22069985 is an apocalyptic number.

It is an amenable number.

2069985 is a deficient number, since it is larger than the sum of its proper divisors (1242015).

2069985 is a wasteful number, since it uses less digits than its factorization.

2069985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138007.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2069985 is about 1438.7442441240. The cubic root of 2069985 is about 127.4448819815. Note that the first 3 decimals are identical.

The spelling of 2069985 in words is "two million, sixty-nine thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 137999 413997 689995 2069985