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3440869 = 23149603
BaseRepresentation
bin1101001000000011100101
320110210222121
431020003211
51340101434
6201425541
741150455
oct15100345
96423877
103440869
111a401a3
12119b2b1
13936223
14657d65
1547e7b4
hex3480e5

3440869 has 4 divisors (see below), whose sum is σ = 3590496. Its totient is φ = 3291244.

The previous prime is 3440867. The next prime is 3440893. The reversal of 3440869 is 9680443.

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.

It is a cyclic number.

It is not a de Polignac number, because 3440869 - 21 = 3440867 is a prime.

It is a super-2 number, since 2×34408692 = 23679158950322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74779 + ... + 74824.

It is an arithmetic number, because the mean of its divisors is an integer number (897624).

Almost surely, 23440869 is an apocalyptic number.

It is an amenable number.

3440869 is a deficient number, since it is larger than the sum of its proper divisors (149627).

3440869 is a wasteful number, since it uses less digits than its factorization.

3440869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149626.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3440869 is about 1854.9579510059. The cubic root of 3440869 is about 150.9695566011.

The spelling of 3440869 in words is "three million, four hundred forty thousand, eight hundred sixty-nine".

Divisors: 1 23 149603 3440869