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3442825 = 52137713
BaseRepresentation
bin1101001000100010001001
320110220200001
431020202021
51340132300
6201443001
741156251
oct15104211
96426601
103442825
111a41711
1211a0461
13937099
14658961
1548016a
hex348889

3442825 has 6 divisors (see below), whose sum is σ = 4269134. Its totient is φ = 2754240.

The previous prime is 3442807. The next prime is 3442841. The reversal of 3442825 is 5282443.

It can be written as a sum of positive squares in 3 ways, for example, as 9216 + 3433609 = 96^2 + 1853^2 .

It is not a de Polignac number, because 3442825 - 27 = 3442697 is a prime.

It is a Duffinian number.

3442825 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 3442793 and 3442802.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68832 + ... + 68881.

Almost surely, 23442825 is an apocalyptic number.

It is an amenable number.

3442825 is a deficient number, since it is larger than the sum of its proper divisors (826309).

3442825 is a wasteful number, since it uses less digits than its factorization.

3442825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137723 (or 137718 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 3442825 is about 1855.4851117700. The cubic root of 3442825 is about 150.9981579531.

It can be divided in two parts, 34428 and 25, that added together give a triangular number (34453 = T262).

The spelling of 3442825 in words is "three million, four hundred forty-two thousand, eight hundred twenty-five".

Divisors: 1 5 25 137713 688565 3442825