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3486869 = 23151603
BaseRepresentation
bin1101010011010010010101
320120011002022
431103102111
51343034434
6202422525
741431541
oct15232225
96504068
103486869
111a71811
121201a45
13951149
1466aa21
1548d22e
hex353495

3486869 has 4 divisors (see below), whose sum is σ = 3638496. Its totient is φ = 3335244.

The previous prime is 3486863. The next prime is 3486871. The reversal of 3486869 is 9686843.

3486869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9686843 = 25138593.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3486869 is a prime.

It is a super-2 number, since 2×34868692 = 24316510846322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75779 + ... + 75824.

It is an arithmetic number, because the mean of its divisors is an integer number (909624).

Almost surely, 23486869 is an apocalyptic number.

It is an amenable number.

3486869 is a deficient number, since it is larger than the sum of its proper divisors (151627).

3486869 is a wasteful number, since it uses less digits than its factorization.

3486869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151626.

The product of its digits is 248832, while the sum is 44.

The square root of 3486869 is about 1867.3159882569. The cubic root of 3486869 is about 151.6393370767.

The spelling of 3486869 in words is "three million, four hundred eighty-six thousand, eight hundred sixty-nine".

Divisors: 1 23 151603 3486869