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3489505 = 51761673
BaseRepresentation
bin1101010011111011100001
320120021200221
431103323201
51343131010
6202443041
741442325
oct15237341
96507627
103489505
111a73798
121203481
139523c6
1466b985
1548ddda
hex353ee1

3489505 has 16 divisors (see below), whose sum is σ = 4513104. Its totient is φ = 2580480.

The previous prime is 3489503. The next prime is 3489517. The reversal of 3489505 is 5059843.

It can be written as a sum of positive squares in 8 ways, for example, as 331776 + 3157729 = 576^2 + 1777^2 .

It is not a de Polignac number, because 3489505 - 21 = 3489503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3489503) 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 15 ways as a sum of consecutive naturals, for example, 4849 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (282069).

Almost surely, 23489505 is an apocalyptic number.

It is an amenable number.

3489505 is a deficient number, since it is larger than the sum of its proper divisors (1023599).

3489505 is a wasteful number, since it uses less digits than its factorization.

3489505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3489505 is about 1868.0216808164. The cubic root of 3489505 is about 151.6775395068.

The spelling of 3489505 in words is "three million, four hundred eighty-nine thousand, five hundred five".

Divisors: 1 5 17 61 85 305 673 1037 3365 5185 11441 41053 57205 205265 697901 3489505