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3425681 = 71943599
BaseRepresentation
bin1101000100010110010001
320110001011002
431010112101
51334110211
6201231345
741055260
oct15042621
96401132
103425681
111a2a846
121192555
1392c33c
146525d7
1547a03b
hex344591

3425681 has 16 divisors (see below), whose sum is σ = 4224000. Its totient is φ = 2712528.

The previous prime is 3425663. The next prime is 3425693. The reversal of 3425681 is 1865243.

It is not a de Polignac number, because 3425681 - 210 = 3424657 is a prime.

It is a super-2 number, since 2×34256812 = 23470580627522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3 + 410 + 221 + 5 + 67 + 8 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3425621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5420 + ... + 6018.

It is an arithmetic number, because the mean of its divisors is an integer number (264000).

Almost surely, 23425681 is an apocalyptic number.

It is an amenable number.

3425681 is a deficient number, since it is larger than the sum of its proper divisors (798319).

3425681 is a wasteful number, since it uses less digits than its factorization.

3425681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 5760, while the sum is 29.

The square root of 3425681 is about 1850.8595300562. The cubic root of 3425681 is about 150.7471023721.

The spelling of 3425681 in words is "three million, four hundred twenty-five thousand, six hundred eighty-one".

Divisors: 1 7 19 43 133 301 599 817 4193 5719 11381 25757 79667 180299 489383 3425681