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3430644 = 223740841
BaseRepresentation
bin1101000101100011110100
320110021221220
431011203310
51334240034
6201310340
741105610
oct15054364
96407856
103430644
111a33548
1211953b0
13931689
14654340
1547b749
hex3458f4

3430644 has 24 divisors (see below), whose sum is σ = 9148608. Its totient is φ = 980160.

The previous prime is 3430643. The next prime is 3430663. The reversal of 3430644 is 4460343.

3430644 = T272 + T273 + ... + T343.

3430644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430643) 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 7 ways as a sum of consecutive naturals, for example, 20337 + ... + 20504.

It is an arithmetic number, because the mean of its divisors is an integer number (381192).

Almost surely, 23430644 is an apocalyptic number.

It is an amenable number.

3430644 is an abundant number, since it is smaller than the sum of its proper divisors (5717964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3430644 is a wasteful number, since it uses less digits than its factorization.

3430644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40855 (or 40853 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3430644 is about 1852.1997732426. The cubic root of 3430644 is about 150.8198661874.

Adding to 3430644 its reverse (4460343), we get a palindrome (7890987).

The spelling of 3430644 in words is "three million, four hundred thirty thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 40841 81682 122523 163364 245046 285887 490092 571774 857661 1143548 1715322 3430644